Add 15/90 and 12/60
15/90 + 12/60 is 11/30.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 90 and 60 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 90 × 2 = 180,
15/90 = 15 × 2/90 × 2 = 30/180 - Likewise, for the 2nd fraction, since 60 × 3 = 180,
12/60 = 12 × 3/60 × 3 = 36/180 - Add the two like fractions:
30/180 + 36/180 = 30 + 36/180 = 66/180 - 66/180 simplified gives 11/30
- So, 15/90 + 12/60 = 11/30
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