Add 3/15 and 21/36
3/15 + 21/36 is 47/60.
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,
3/15 = 3 × 12/15 × 12 = 36/180 - Likewise, for the 2nd fraction, since 36 × 5 = 180,
21/36 = 21 × 5/36 × 5 = 105/180 - Add the two like fractions:
36/180 + 105/180 = 36 + 105/180 = 141/180 - 141/180 simplified gives 47/60
- So, 3/15 + 21/36 = 47/60
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