Add 18/20 and 7/15
18/20 + 7/15 is 41/30.
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,
18/20 = 18 × 3/20 × 3 = 54/60 - Likewise, for the 2nd fraction, since 15 × 4 = 60,
7/15 = 7 × 4/15 × 4 = 28/60 - Add the two like fractions:
54/60 + 28/60 = 54 + 28/60 = 82/60 - 82/60 simplified gives 41/30
- So, 18/20 + 7/15 = 41/30
In mixed form: 111/30
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