Class 7 · Chapter 2
Fractions and Decimals
Multiplication and division of fractions and decimals.
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Detailed theory
Add/subtract fractions by taking LCM of denominators. Multiply: numerator × numerator, denominator × denominator, then simplify. Divide: multiply by the reciprocal.
Key concepts & formulas
01
Reciprocal of is .
02
Dividing by a fraction multiplying by its reciprocal.
03
shifts decimal right; shifts left.
04
.
05
Every fraction with denominator has terminating decimal.