Add 60/4 and 12/21, Solve 15 0/4 + 12/21 as a fraction

Add 60/4 and 12/21

1^st number: 15 0/4, 2^nd number: 12/21

60/4 + 12/21 is 109/7.

Find the least common denominator or LCM of the two denominators:
LCM of 4 and 21 is 84

Next, find the equivalent fraction of both fractional numbers with denominator 84
For the 1st fraction, since 4 × 21 = 84,
60/4 = 60 × 21/4 × 21 = 1260/84
Likewise, for the 2nd fraction, since 21 × 4 = 84,
12/21 = 12 × 4/21 × 4 = 48/84
Add the two like fractions:
1260/84 + 48/84 = 1260 + 48/84 = 1308/84
1308/84 simplified gives 109/7
So, 60/4 + 12/21 = 109/7
In mixed form: 154/7

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