Add 21/90 and 20/24
21/90 + 20/24 is 16/15.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 90 and 24 is 360
Next, find the equivalent fraction of both fractional numbers with denominator 360 - For the 1st fraction, since 90 × 4 = 360,
21/90 = 21 × 4/90 × 4 = 84/360 - Likewise, for the 2nd fraction, since 24 × 15 = 360,
20/24 = 20 × 15/24 × 15 = 300/360 - Add the two like fractions:
84/360 + 300/360 = 84 + 300/360 = 384/360 - 384/360 simplified gives 16/15
- So, 21/90 + 20/24 = 16/15
In mixed form: 11/15
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