Add 15/60 and 54/42
1st number: 15/60, 2nd number: 1 12/42
15/60 + 54/42 is 43/28.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 60 and 42 is 420
Next, find the equivalent fraction of both fractional numbers with denominator 420 - For the 1st fraction, since 60 × 7 = 420,
15/60 = 15 × 7/60 × 7 = 105/420 - Likewise, for the 2nd fraction, since 42 × 10 = 420,
54/42 = 54 × 10/42 × 10 = 540/420 - Add the two like fractions:
105/420 + 540/420 = 105 + 540/420 = 645/420 - 645/420 simplified gives 43/28
- So, 15/60 + 54/42 = 43/28
In mixed form: 115/28
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