Add 20/15 and 28/24
1st number: 1 5/15, 2nd number: 1 4/24
20/15 + 28/24 is 5/2.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 24 is 120
Next, find the equivalent fraction of both fractional numbers with denominator 120 - For the 1st fraction, since 15 × 8 = 120,
20/15 = 20 × 8/15 × 8 = 160/120 - Likewise, for the 2nd fraction, since 24 × 5 = 120,
28/24 = 28 × 5/24 × 5 = 140/120 - Add the two like fractions:
160/120 + 140/120 = 160 + 140/120 = 300/120 - 300/120 simplified gives 5/2
- So, 20/15 + 28/24 = 5/2
In mixed form: 21/2
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