Add 20/24 and 21/15
1st number: 20/24, 2nd number: 1 6/15
20/24 + 21/15 is 67/30.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 24 and 15 is 120
Next, find the equivalent fraction of both fractional numbers with denominator 120 - For the 1st fraction, since 24 × 5 = 120,
20/24 = 20 × 5/24 × 5 = 100/120 - Likewise, for the 2nd fraction, since 15 × 8 = 120,
21/15 = 21 × 8/15 × 8 = 168/120 - Add the two like fractions:
100/120 + 168/120 = 100 + 168/120 = 268/120 - 268/120 simplified gives 67/30
- So, 20/24 + 21/15 = 67/30
In mixed form: 27/30
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