Add 10/15 and 18/20
10/15 + 18/20 is 47/30.
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,
10/15 = 10 × 4/15 × 4 = 40/60 - Likewise, for the 2nd fraction, since 20 × 3 = 60,
18/20 = 18 × 3/20 × 3 = 54/60 - Add the two like fractions:
40/60 + 54/60 = 40 + 54/60 = 94/60 - 94/60 simplified gives 47/30
- So, 10/15 + 18/20 = 47/30
In mixed form: 117/30
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