Add 72/10 and 15/12
1st number: 7 2/10, 2nd number: 1 3/12
72/10 + 15/12 is 169/20.
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,
15/12 = 15 × 5/12 × 5 = 75/60 - Add the two like fractions:
432/60 + 75/60 = 432 + 75/60 = 507/60 - 507/60 simplified gives 169/20
- So, 72/10 + 15/12 = 169/20
In mixed form: 89/20
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