Add 60/28 and 20/15
1st number: 2 4/28, 2nd number: 1 5/15
60/28 + 20/15 is 73/21.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 15 is 420
Next, find the equivalent fraction of both fractional numbers with denominator 420 - For the 1st fraction, since 28 × 15 = 420,
60/28 = 60 × 15/28 × 15 = 900/420 - Likewise, for the 2nd fraction, since 15 × 28 = 420,
20/15 = 20 × 28/15 × 28 = 560/420 - Add the two like fractions:
900/420 + 560/420 = 900 + 560/420 = 1460/420 - 1460/420 simplified gives 73/21
- So, 60/28 + 20/15 = 73/21
In mixed form: 310/21
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