Add 3/72 and 21/18
1st number: 3/72, 2nd number: 1 3/18
3/72 + 21/18 is 29/24.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 72 and 18 is 72
Next, find the equivalent fraction of both fractional numbers with denominator 72 - For the 1st fraction, since 72 × 1 = 72,
3/72 = 3 × 1/72 × 1 = 3/72 - Likewise, for the 2nd fraction, since 18 × 4 = 72,
21/18 = 21 × 4/18 × 4 = 84/72 - Add the two like fractions:
3/72 + 84/72 = 3 + 84/72 = 87/72 - 87/72 simplified gives 29/24
- So, 3/72 + 21/18 = 29/24
In mixed form: 15/24
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