Add 72/10 and 40/12, Solve 7 2/10 + 3 4/12 as a fraction

Add 72/10 and 40/12

1^st number: 7 2/10, 2^nd number: 3 4/12

72/10 + 40/12 is 158/15.

Find the least common denominator or LCM of the two denominators:
LCM of 10 and 12 is 60

Next, find the equivalent fraction of both fractional numbers with denominator 60
For the 1st fraction, since 10 × 6 = 60,
72/10 = 72 × 6/10 × 6 = 432/60
Likewise, for the 2nd fraction, since 12 × 5 = 60,
40/12 = 40 × 5/12 × 5 = 200/60
Add the two like fractions:
432/60 + 200/60 = 432 + 200/60 = 632/60
632/60 simplified gives 158/15
So, 72/10 + 40/12 = 158/15
In mixed form: 108/15

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