Add 21/24 and 90/25
1st number: 21/24, 2nd number: 3 15/25
21/24 + 90/25 is 179/40.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 24 and 25 is 600
Next, find the equivalent fraction of both fractional numbers with denominator 600 - For the 1st fraction, since 24 × 25 = 600,
21/24 = 21 × 25/24 × 25 = 525/600 - Likewise, for the 2nd fraction, since 25 × 24 = 600,
90/25 = 90 × 24/25 × 24 = 2160/600 - Add the two like fractions:
525/600 + 2160/600 = 525 + 2160/600 = 2685/600 - 2685/600 simplified gives 179/40
- So, 21/24 + 90/25 = 179/40
In mixed form: 419/40
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