Add 81/14 and 42/70
1st number: 5 11/14, 2nd number: 42/70
81/14 + 42/70 is 447/70.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 14 and 70 is 70
Next, find the equivalent fraction of both fractional numbers with denominator 70 - For the 1st fraction, since 14 × 5 = 70,
81/14 = 81 × 5/14 × 5 = 405/70 - Likewise, for the 2nd fraction, since 70 × 1 = 70,
42/70 = 42 × 1/70 × 1 = 42/70 - Add the two like fractions:
405/70 + 42/70 = 405 + 42/70 = 447/70 - So, 81/14 + 42/70 = 447/70
In mixed form: 627/70
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