Add 15/60 and 28/7
1st number: 15/60, 2nd number: 4 0/7
15/60 + 28/7 is 17/4.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 60 and 7 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 7 × 60 = 420,
28/7 = 28 × 60/7 × 60 = 1680/420 - Add the two like fractions:
105/420 + 1680/420 = 105 + 1680/420 = 1785/420 - 1785/420 simplified gives 17/4
- So, 15/60 + 28/7 = 17/4
In mixed form: 41/4
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