Add 70/15 and 18/20
1st number: 4 10/15, 2nd number: 18/20
70/15 + 18/20 is 167/30.
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,
70/15 = 70 × 4/15 × 4 = 280/60 - Likewise, for the 2nd fraction, since 20 × 3 = 60,
18/20 = 18 × 3/20 × 3 = 54/60 - Add the two like fractions:
280/60 + 54/60 = 280 + 54/60 = 334/60 - 334/60 simplified gives 167/30
- So, 70/15 + 18/20 = 167/30
In mixed form: 517/30
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