Add 21/5 and 45/24
1st number: 4 1/5, 2nd number: 1 21/24
21/5 + 45/24 is 243/40.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 5 and 24 is 120
Next, find the equivalent fraction of both fractional numbers with denominator 120 - For the 1st fraction, since 5 × 24 = 120,
21/5 = 21 × 24/5 × 24 = 504/120 - Likewise, for the 2nd fraction, since 24 × 5 = 120,
45/24 = 45 × 5/24 × 5 = 225/120 - Add the two like fractions:
504/120 + 225/120 = 504 + 225/120 = 729/120 - 729/120 simplified gives 243/40
- So, 21/5 + 45/24 = 243/40
In mixed form: 63/40
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