Add 56/15 and 12/28
1st number: 3 11/15, 2nd number: 12/28
56/15 + 12/28 is 437/105.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 28 is 420
Next, find the equivalent fraction of both fractional numbers with denominator 420 - For the 1st fraction, since 15 × 28 = 420,
56/15 = 56 × 28/15 × 28 = 1568/420 - Likewise, for the 2nd fraction, since 28 × 15 = 420,
12/28 = 12 × 15/28 × 15 = 180/420 - Add the two like fractions:
1568/420 + 180/420 = 1568 + 180/420 = 1748/420 - 1748/420 simplified gives 437/105
- So, 56/15 + 12/28 = 437/105
In mixed form: 417/105
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