Add 81/35 and 9/42
1st number: 2 11/35, 2nd number: 9/42
81/35 + 9/42 is 177/70.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 35 and 42 is 210
Next, find the equivalent fraction of both fractional numbers with denominator 210 - For the 1st fraction, since 35 × 6 = 210,
81/35 = 81 × 6/35 × 6 = 486/210 - Likewise, for the 2nd fraction, since 42 × 5 = 210,
9/42 = 9 × 5/42 × 5 = 45/210 - Add the two like fractions:
486/210 + 45/210 = 486 + 45/210 = 531/210 - 531/210 simplified gives 177/70
- So, 81/35 + 9/42 = 177/70
In mixed form: 237/70
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