Add 21/20 and 30/24
1st number: 1 1/20, 2nd number: 1 6/24
21/20 + 30/24 is 23/10.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 24 is 120
Next, find the equivalent fraction of both fractional numbers with denominator 120 - For the 1st fraction, since 20 × 6 = 120,
21/20 = 21 × 6/20 × 6 = 126/120 - Likewise, for the 2nd fraction, since 24 × 5 = 120,
30/24 = 30 × 5/24 × 5 = 150/120 - Add the two like fractions:
126/120 + 150/120 = 126 + 150/120 = 276/120 - 276/120 simplified gives 23/10
- So, 21/20 + 30/24 = 23/10
In mixed form: 23/10
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