Add 15/72 and 20/18
1st number: 15/72, 2nd number: 1 2/18
15/72 + 20/18 is 95/72.
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,
15/72 = 15 × 1/72 × 1 = 15/72 - Likewise, for the 2nd fraction, since 18 × 4 = 72,
20/18 = 20 × 4/18 × 4 = 80/72 - Add the two like fractions:
15/72 + 80/72 = 15 + 80/72 = 95/72 - So, 15/72 + 20/18 = 95/72
In mixed form: 123/72
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