Add 21/24 and 5/90
21/24 + 5/90 is 67/72.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 24 and 90 is 360
Next, find the equivalent fraction of both fractional numbers with denominator 360 - For the 1st fraction, since 24 × 15 = 360,
21/24 = 21 × 15/24 × 15 = 315/360 - Likewise, for the 2nd fraction, since 90 × 4 = 360,
5/90 = 5 × 4/90 × 4 = 20/360 - Add the two like fractions:
315/360 + 20/360 = 315 + 20/360 = 335/360 - 335/360 simplified gives 67/72
- So, 21/24 + 5/90 = 67/72
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