Add 21/24 and 45/15
1st number: 21/24, 2nd number: 3 0/15
21/24 + 45/15 is 31/8.
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,
21/24 = 21 × 5/24 × 5 = 105/120 - Likewise, for the 2nd fraction, since 15 × 8 = 120,
45/15 = 45 × 8/15 × 8 = 360/120 - Add the two like fractions:
105/120 + 360/120 = 105 + 360/120 = 465/120 - 465/120 simplified gives 31/8
- So, 21/24 + 45/15 = 31/8
In mixed form: 37/8
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