formulas of fractions and decimals class 7
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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
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