Question

formulas of fractions and decimals class 7​

Answer 1

Step-by-step explanation:

Fractions and Decimals Formulas

Proper fraction ab where b>a Example: 25,37 2 5 , 3 7 etc.

Addition of fractions pq+xy=py+qxqy Example: 23+35=2×5+3×33×5=10+915=1915

Subtraction of fractions pq−xy=py−qxqy Example: 23−35=2×5−3×33×5=10−915=115

Multiplication of fractions ab×cd=a×cb×d=acbd

Division of fractions ab÷cd=a×db×c=adbc