Add 81/30 and 42/36
1st number: 2 21/30, 2nd number: 1 6/36
81/30 + 42/36 is 58/15.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 36 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 30 × 6 = 180,
81/30 = 81 × 6/30 × 6 = 486/180 - Likewise, for the 2nd fraction, since 36 × 5 = 180,
42/36 = 42 × 5/36 × 5 = 210/180 - Add the two like fractions:
486/180 + 210/180 = 486 + 210/180 = 696/180 - 696/180 simplified gives 58/15
- So, 81/30 + 42/36 = 58/15
In mixed form: 313/15
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