Add 21/72 and 45/3
1st number: 21/72, 2nd number: 15 0/3
21/72 + 45/3 is 367/24.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 72 and 3 is 72
Next, find the equivalent fraction of both fractional numbers with denominator 72 - For the 1st fraction, since 72 × 1 = 72,
21/72 = 21 × 1/72 × 1 = 21/72 - Likewise, for the 2nd fraction, since 3 × 24 = 72,
45/3 = 45 × 24/3 × 24 = 1080/72 - Add the two like fractions:
21/72 + 1080/72 = 21 + 1080/72 = 1101/72 - 1101/72 simplified gives 367/24
- So, 21/72 + 45/3 = 367/24
In mixed form: 157/24
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