Add 15/60 and 9/7
1st number: 15/60, 2nd number: 1 2/7
15/60 + 9/7 is 43/28.
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,
9/7 = 9 × 60/7 × 60 = 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 + 9/7 = 43/28
In mixed form: 115/28
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