Add 18/15 and 42/36
1st number: 1 3/15, 2nd number: 1 6/36
18/15 + 42/36 is 71/30.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 36 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 15 × 12 = 180,
18/15 = 18 × 12/15 × 12 = 216/180 - Likewise, for the 2nd fraction, since 36 × 5 = 180,
42/36 = 42 × 5/36 × 5 = 210/180 - Add the two like fractions:
216/180 + 210/180 = 216 + 210/180 = 426/180 - 426/180 simplified gives 71/30
- So, 18/15 + 42/36 = 71/30
In mixed form: 211/30
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