Add 12/7 and 9/70
1st number: 1 5/7, 2nd number: 9/70
12/7 + 9/70 is 129/70.
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,
12/7 = 12 × 10/7 × 10 = 120/70 - Likewise, for the 2nd fraction, since 70 × 1 = 70,
9/70 = 9 × 1/70 × 1 = 9/70 - Add the two like fractions:
120/70 + 9/70 = 120 + 9/70 = 129/70 - So, 12/7 + 9/70 = 129/70
In mixed form: 159/70
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