Add 4/15 and 3/20
4/15 + 3/20 is 5/12.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 20 is 60
Next, find the equivalent fraction of both fractional numbers with denominator 60 - For the 1st fraction, since 15 × 4 = 60,
4/15 = 4 × 4/15 × 4 = 16/60 - Likewise, for the 2nd fraction, since 20 × 3 = 60,
3/20 = 3 × 3/20 × 3 = 9/60 - Add the two like fractions:
16/60 + 9/60 = 16 + 9/60 = 25/60 - 25/60 simplified gives 5/12
- So, 4/15 + 3/20 = 5/12
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