Add 15/36 and 42/90
15/36 + 42/90 is 53/60.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 36 and 90 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 36 × 5 = 180,
15/36 = 15 × 5/36 × 5 = 75/180 - Likewise, for the 2nd fraction, since 90 × 2 = 180,
42/90 = 42 × 2/90 × 2 = 84/180 - Add the two like fractions:
75/180 + 84/180 = 75 + 84/180 = 159/180 - 159/180 simplified gives 53/60
- So, 15/36 + 42/90 = 53/60
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