Add 21/10 and 42/36
1st number: 2 1/10, 2nd number: 1 6/36
21/10 + 42/36 is 49/15.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 36 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 10 × 18 = 180,
21/10 = 21 × 18/10 × 18 = 378/180 - Likewise, for the 2nd fraction, since 36 × 5 = 180,
42/36 = 42 × 5/36 × 5 = 210/180 - Add the two like fractions:
378/180 + 210/180 = 378 + 210/180 = 588/180 - 588/180 simplified gives 49/15
- So, 21/10 + 42/36 = 49/15
In mixed form: 34/15
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