Add 56/15 and 20/28
1st number: 3 11/15, 2nd number: 20/28
56/15 + 20/28 is 467/105.
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,
20/28 = 20 × 15/28 × 15 = 300/420 - Add the two like fractions:
1568/420 + 300/420 = 1568 + 300/420 = 1868/420 - 1868/420 simplified gives 467/105
- So, 56/15 + 20/28 = 467/105
In mixed form: 447/105
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