Add 81/42 and 70/32
1st number: 1 39/42, 2nd number: 2 6/32
81/42 + 70/32 is 461/112.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 42 and 32 is 672
Next, find the equivalent fraction of both fractional numbers with denominator 672 - For the 1st fraction, since 42 × 16 = 672,
81/42 = 81 × 16/42 × 16 = 1296/672 - Likewise, for the 2nd fraction, since 32 × 21 = 672,
70/32 = 70 × 21/32 × 21 = 1470/672 - Add the two like fractions:
1296/672 + 1470/672 = 1296 + 1470/672 = 2766/672 - 2766/672 simplified gives 461/112
- So, 81/42 + 70/32 = 461/112
In mixed form: 413/112
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