Add 18/90 and 7/15
18/90 + 7/15 is 2/3.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 90 and 15 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 90 × 1 = 90,
18/90 = 18 × 1/90 × 1 = 18/90 - Likewise, for the 2nd fraction, since 15 × 6 = 90,
7/15 = 7 × 6/15 × 6 = 42/90 - Add the two like fractions:
18/90 + 42/90 = 18 + 42/90 = 60/90 - 60/90 simplified gives 2/3
- So, 18/90 + 7/15 = 2/3
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