Add 72/10 and 20/12
1st number: 7 2/10, 2nd number: 1 8/12
72/10 + 20/12 is 133/15.
Steps for adding fractions
- 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,
20/12 = 20 × 5/12 × 5 = 100/60 - Add the two like fractions:
432/60 + 100/60 = 432 + 100/60 = 532/60 - 532/60 simplified gives 133/15
- So, 72/10 + 20/12 = 133/15
In mixed form: 813/15
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