Add 20/40 and 7/15
20/40 + 7/15 is 29/30.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 40 and 15 is 120
Next, find the equivalent fraction of both fractional numbers with denominator 120 - For the 1st fraction, since 40 × 3 = 120,
20/40 = 20 × 3/40 × 3 = 60/120 - Likewise, for the 2nd fraction, since 15 × 8 = 120,
7/15 = 7 × 8/15 × 8 = 56/120 - Add the two like fractions:
60/120 + 56/120 = 60 + 56/120 = 116/120 - 116/120 simplified gives 29/30
- So, 20/40 + 7/15 = 29/30
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