Add 49/28 and 81/15
1st number: 1 21/28, 2nd number: 5 6/15
49/28 + 81/15 is 143/20.
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,
49/28 = 49 × 15/28 × 15 = 735/420 - Likewise, for the 2nd fraction, since 15 × 28 = 420,
81/15 = 81 × 28/15 × 28 = 2268/420 - Add the two like fractions:
735/420 + 2268/420 = 735 + 2268/420 = 3003/420 - 3003/420 simplified gives 143/20
- So, 49/28 + 81/15 = 143/20
In mixed form: 73/20
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