Add 12/70 and 81/7
1st number: 12/70, 2nd number: 11 4/7
12/70 + 81/7 is 411/35.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 7 is 70
Next, find the equivalent fraction of both fractional numbers with denominator 70 - For the 1st fraction, since 70 × 1 = 70,
12/70 = 12 × 1/70 × 1 = 12/70 - Likewise, for the 2nd fraction, since 7 × 10 = 70,
81/7 = 81 × 10/7 × 10 = 810/70 - Add the two like fractions:
12/70 + 810/70 = 12 + 810/70 = 822/70 - 822/70 simplified gives 411/35
- So, 12/70 + 81/7 = 411/35
In mixed form: 1126/35
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