Subtract -1- 13-25 from 4-52- 1-7 from 21-35-3-

nbsp;4/5 nbsp; 13/25 = nbsp; nbsp;4 × 5/5 × 5 nbsp; 13/25 = 20 13/25 = nbsp;7/25 [1.5] nbsp;21/35 nbsp; 1/7 = nbsp;21/35 nbsp; 1 ...

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Byju's Answer

Standard VII

Mathematics

Subtraction of Fractions

Subtract :1. ...

Question

Subtract :
1. $\frac{13}{25}$ from $\frac{4}{5}$

2. $\frac{1}{7}$ from $\frac{21}{35}$
$[3]$

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Solution

$\frac{4}{5}$ - $\frac{13}{25}$ = $\frac{4 \times 5}{5 \times 5}$ - $\frac{13}{25}$ = $\frac{20 - 13}{25}$ = $\frac{7}{25}$
$[1.5]$
$\frac{21}{35}$ - $\frac{1}{7}$ = $\frac{21}{35}$ - $\frac{1 \times 5}{7 \times 5}$ = $\frac{21 - 5}{35}$ = $\frac{16}{35}$
$[1.5]$

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Similar questions

Subtract :

(i) $\frac{3}{4}$ from $\frac{1}{3}$ (ii) $\frac{- 5}{6}$ from $\frac{1}{3}$ (iii) $\frac{- 8}{9}$ from $\frac{- 3}{5}$

(iv) $\frac{- 9}{7}$ from -1 (v) $\frac{- 18}{11}$ from 1 (vi) $\frac{- 13}{9}$ from 0

(vii) $\frac{- 32}{13}$ from $\frac{- 6}{5}$ (viii) -7 from $\frac{- 4}{7}$

Q. Subtract:

(i)

\frac{3}{4} from \frac{1}{3}

(ii)

\frac{- 5}{6} from \frac{1}{3}

(iii)

\frac{- 8}{9} from \frac{- 3}{5}

(iv)

\frac{- 9}{7} from - 1

(v)

\frac{- 18}{11} from 1

(vi)

\frac{- 13}{9} from 0

(vii)

\frac{- 32}{13} from \frac{- 6}{5}

(viii)

- 7 from \frac{- 4}{7}

(ix)

\frac{5}{9} from \frac{- 2}{3}

(x)

5 from \frac{- 3}{5}

Q. Subtract:
(i)

\frac{3}{4} from \frac{1}{3}

(ii)

\frac{- 5}{6} from \frac{1}{3}

(iii)

\frac{- 8}{9} from \frac{- 3}{5}

(iv)

\frac{- 9}{7} from - 1

(v)

\frac{- 18}{11} from 1

(vi)

\frac{- 13}{9} from 0

(vii)

\frac{- 32}{13} from \frac{- 6}{5}

(viii)

- 7 from \frac{- 4}{7}

Subtract without using number line:

(1) 40 from 50

(2) −20 from + 30

(3) −25 from −40

(4) +20 from −50

(5) +25 from −25

(6) −25 from + 25

(7) +40 − (−10) − (+20)

In a given fraction,if 1 is subtracted from the numerator and 2 is added to the denominator,it becomes $\frac{1}{2}$ .if 7 is subtracted from the numerator and 2 is subtracted to the denominator,it becomes $\frac{1}{3}$ .The fraction is

(a) $\frac{13}{24}$ (b) $\frac{15}{26}$ (c) $\frac{16}{27}$ (d) $\frac{16}{21}$

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Subtract : 1. 1325 from 45 2. 17 from 2135 [3]

45 - 1325 = 4×55×5 - 1325 = 20−1325 = 725 [1.5] 2135 - 17 = 2135 - 1×57×5 = 21−535 = 1635 [1.5]

Subtract :
1. $\frac{13}{25}$ from $\frac{4}{5}$

2. $\frac{1}{7}$ from $\frac{21}{35}$
$[3]$

$\frac{4}{5}$ - $\frac{13}{25}$ = $\frac{4 \times 5}{5 \times 5}$ - $\frac{13}{25}$ = $\frac{20 - 13}{25}$ = $\frac{7}{25}$
$[1.5]$
$\frac{21}{35}$ - $\frac{1}{7}$ = $\frac{21}{35}$ - $\frac{1 \times 5}{7 \times 5}$ = $\frac{21 - 5}{35}$ = $\frac{16}{35}$
$[1.5]$