Add 81/42 and 6/70
1st number: 1 39/42, 2nd number: 6/70
81/42 + 6/70 is 141/70.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 42 and 70 is 210
Next, find the equivalent fraction of both fractional numbers with denominator 210 - For the 1st fraction, since 42 × 5 = 210,
81/42 = 81 × 5/42 × 5 = 405/210 - Likewise, for the 2nd fraction, since 70 × 3 = 210,
6/70 = 6 × 3/70 × 3 = 18/210 - Add the two like fractions:
405/210 + 18/210 = 405 + 18/210 = 423/210 - 423/210 simplified gives 141/70
- So, 81/42 + 6/70 = 141/70
In mixed form: 21/70
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