Add 15/70 and 72/10
1st number: 15/70, 2nd number: 7 2/10
15/70 + 72/10 is 519/70.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 10 is 70
Next, find the equivalent fraction of both fractional numbers with denominator 70 - For the 1st fraction, since 70 × 1 = 70,
15/70 = 15 × 1/70 × 1 = 15/70 - Likewise, for the 2nd fraction, since 10 × 7 = 70,
72/10 = 72 × 7/10 × 7 = 504/70 - Add the two like fractions:
15/70 + 504/70 = 15 + 504/70 = 519/70 - So, 15/70 + 72/10 = 519/70
In mixed form: 729/70
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