Add 18/40 and 6/15
18/40 + 6/15 is 17/20.
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,
18/40 = 18 × 3/40 × 3 = 54/120 - Likewise, for the 2nd fraction, since 15 × 8 = 120,
6/15 = 6 × 8/15 × 8 = 48/120 - Add the two like fractions:
54/120 + 48/120 = 54 + 48/120 = 102/120 - 102/120 simplified gives 17/20
- So, 18/40 + 6/15 = 17/20
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