Add 81/10 and 9/7
1st number: 8 1/10, 2nd number: 1 2/7
81/10 + 9/7 is 657/70.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 7 is 70
Next, find the equivalent fraction of both fractional numbers with denominator 70 - For the 1st fraction, since 10 × 7 = 70,
81/10 = 81 × 7/10 × 7 = 567/70 - Likewise, for the 2nd fraction, since 7 × 10 = 70,
9/7 = 9 × 10/7 × 10 = 90/70 - Add the two like fractions:
567/70 + 90/70 = 567 + 90/70 = 657/70 - So, 81/10 + 9/7 = 657/70
In mixed form: 927/70
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