Add 7/15 and 81/70
1st number: 7/15, 2nd number: 1 11/70
7/15 + 81/70 is 341/210.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 70 is 210
Next, find the equivalent fraction of both fractional numbers with denominator 210 - For the 1st fraction, since 15 × 14 = 210,
7/15 = 7 × 14/15 × 14 = 98/210 - Likewise, for the 2nd fraction, since 70 × 3 = 210,
81/70 = 81 × 3/70 × 3 = 243/210 - Add the two like fractions:
98/210 + 243/210 = 98 + 243/210 = 341/210 - So, 7/15 + 81/70 = 341/210
In mixed form: 1131/210
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