Add 18/20 and 4/15
18/20 + 4/15 is 7/6.
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,
4/15 = 4 × 4/15 × 4 = 16/60 - Add the two like fractions:
54/60 + 16/60 = 54 + 16/60 = 70/60 - 70/60 simplified gives 7/6
- So, 18/20 + 4/15 = 7/6
In mixed form: 11/6
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