Add 48/28 and 20/15
1st number: 1 20/28, 2nd number: 1 5/15
48/28 + 20/15 is 64/21.
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,
48/28 = 48 × 15/28 × 15 = 720/420 - Likewise, for the 2nd fraction, since 15 × 28 = 420,
20/15 = 20 × 28/15 × 28 = 560/420 - Add the two like fractions:
720/420 + 560/420 = 720 + 560/420 = 1280/420 - 1280/420 simplified gives 64/21
- So, 48/28 + 20/15 = 64/21
In mixed form: 31/21
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