Add 4/3 and 21/72
1st number: 1 1/3, 2nd number: 21/72
4/3 + 21/72 is 13/8.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 3 and 72 is 72
Next, find the equivalent fraction of both fractional numbers with denominator 72 - For the 1st fraction, since 3 × 24 = 72,
4/3 = 4 × 24/3 × 24 = 96/72 - Likewise, for the 2nd fraction, since 72 × 1 = 72,
21/72 = 21 × 1/72 × 1 = 21/72 - Add the two like fractions:
96/72 + 21/72 = 96 + 21/72 = 117/72 - 117/72 simplified gives 13/8
- So, 4/3 + 21/72 = 13/8
In mixed form: 15/8
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