Add 70/15 and 7/12, Solve 4 10/15 + 7/12 as a fraction

Add 70/15 and 7/12

1^st number: 4 10/15, 2^nd number: 7/12

70/15 + 7/12 is 21/4.

Find the least common denominator or LCM of the two denominators:
LCM of 15 and 12 is 60

Next, find the equivalent fraction of both fractional numbers with denominator 60
For the 1st fraction, since 15 × 4 = 60,
70/15 = 70 × 4/15 × 4 = 280/60
Likewise, for the 2nd fraction, since 12 × 5 = 60,
7/12 = 7 × 5/12 × 5 = 35/60
Add the two like fractions:
280/60 + 35/60 = 280 + 35/60 = 315/60
315/60 simplified gives 21/4
So, 70/15 + 7/12 = 21/4
In mixed form: 51/4

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