Add 8/7 and 81/70
1st number: 1 1/7, 2nd number: 1 11/70
8/7 + 81/70 is 23/10.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 7 and 70 is 70
Next, find the equivalent fraction of both fractional numbers with denominator 70 - For the 1st fraction, since 7 × 10 = 70,
8/7 = 8 × 10/7 × 10 = 80/70 - Likewise, for the 2nd fraction, since 70 × 1 = 70,
81/70 = 81 × 1/70 × 1 = 81/70 - Add the two like fractions:
80/70 + 81/70 = 80 + 81/70 = 161/70 - 161/70 simplified gives 23/10
- So, 8/7 + 81/70 = 23/10
In mixed form: 23/10
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