Add 21/90 and 1/15
21/90 + 1/15 is 3/10.
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,
21/90 = 21 × 1/90 × 1 = 21/90 - Likewise, for the 2nd fraction, since 15 × 6 = 90,
1/15 = 1 × 6/15 × 6 = 6/90 - Add the two like fractions:
21/90 + 6/90 = 21 + 6/90 = 27/90 - 27/90 simplified gives 3/10
- So, 21/90 + 1/15 = 3/10
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