Add 15/72 and 30/16
1st number: 15/72, 2nd number: 1 14/16
15/72 + 30/16 is 25/12.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 72 and 16 is 144
Next, find the equivalent fraction of both fractional numbers with denominator 144 - For the 1st fraction, since 72 × 2 = 144,
15/72 = 15 × 2/72 × 2 = 30/144 - Likewise, for the 2nd fraction, since 16 × 9 = 144,
30/16 = 30 × 9/16 × 9 = 270/144 - Add the two like fractions:
30/144 + 270/144 = 30 + 270/144 = 300/144 - 300/144 simplified gives 25/12
- So, 15/72 + 30/16 = 25/12
In mixed form: 21/12
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