Add 15/60 and 12/7, Solve 15/60 + 1 5/7 as a fraction

Add 15/60 and 12/7

1^st number: 15/60, 2^nd number: 1 5/7

15/60 + 12/7 is 55/28.

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,
12/7 = 12 × 60/7 × 60 = 720/420
Add the two like fractions:
105/420 + 720/420 = 105 + 720/420 = 825/420
825/420 simplified gives 55/28
So, 15/60 + 12/7 = 55/28
In mixed form: 127/28

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