Add 5/15 and 12/90
5/15 + 12/90 is 7/15.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 90 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 15 × 6 = 90,
5/15 = 5 × 6/15 × 6 = 30/90 - Likewise, for the 2nd fraction, since 90 × 1 = 90,
12/90 = 12 × 1/90 × 1 = 12/90 - Add the two like fractions:
30/90 + 12/90 = 30 + 12/90 = 42/90 - 42/90 simplified gives 7/15
- So, 5/15 + 12/90 = 7/15
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