Add 3/20 and 15/36
3/20 + 15/36 is 17/30.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 36 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 20 × 9 = 180,
3/20 = 3 × 9/20 × 9 = 27/180 - Likewise, for the 2nd fraction, since 36 × 5 = 180,
15/36 = 15 × 5/36 × 5 = 75/180 - Add the two like fractions:
27/180 + 75/180 = 27 + 75/180 = 102/180 - 102/180 simplified gives 17/30
- So, 3/20 + 15/36 = 17/30
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