Add 1/20 and 1/15
1/20 + 1/15 is 7/60.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 15 is 60
Next, find the equivalent fraction of both fractional numbers with denominator 60 - For the 1st fraction, since 20 × 3 = 60,
1/20 = 1 × 3/20 × 3 = 3/60 - Likewise, for the 2nd fraction, since 15 × 4 = 60,
1/15 = 1 × 4/15 × 4 = 4/60 - Add the two like fractions:
3/60 + 4/60 = 3 + 4/60 = 7/60 - So, 1/20 + 1/15 = 7/60
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