77−57=____
37
127
47
27
Fractions with same denominators can be subtracted by simply subtracting the numerators and writing the common denominator as it is. 77−57=7−57=27
−13+(−69)+57−(−89)−(53+(−49))=___
512+312=__
14+04=____
(−7)×(−13)=___
1215−715=____