Add 9/10 and 81/70
1st number: 9/10, 2nd number: 1 11/70
9/10 + 81/70 is 72/35.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 70 is 70
Next, find the equivalent fraction of both fractional numbers with denominator 70 - For the 1st fraction, since 10 × 7 = 70,
9/10 = 9 × 7/10 × 7 = 63/70 - Likewise, for the 2nd fraction, since 70 × 1 = 70,
81/70 = 81 × 1/70 × 1 = 81/70 - Add the two like fractions:
63/70 + 81/70 = 63 + 81/70 = 144/70 - 144/70 simplified gives 72/35
- So, 9/10 + 81/70 = 72/35
In mixed form: 22/35
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