Add 54/28 and 20/15
1st number: 1 26/28, 2nd number: 1 5/15
54/28 + 20/15 is 137/42.
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,
54/28 = 54 × 15/28 × 15 = 810/420 - Likewise, for the 2nd fraction, since 15 × 28 = 420,
20/15 = 20 × 28/15 × 28 = 560/420 - Add the two like fractions:
810/420 + 560/420 = 810 + 560/420 = 1370/420 - 1370/420 simplified gives 137/42
- So, 54/28 + 20/15 = 137/42
In mixed form: 311/42
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