Add 72/32 and 18/15
1st number: 2 8/32, 2nd number: 1 3/15
72/32 + 18/15 is 69/20.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 32 and 15 is 480
Next, find the equivalent fraction of both fractional numbers with denominator 480 - For the 1st fraction, since 32 × 15 = 480,
72/32 = 72 × 15/32 × 15 = 1080/480 - Likewise, for the 2nd fraction, since 15 × 32 = 480,
18/15 = 18 × 32/15 × 32 = 576/480 - Add the two like fractions:
1080/480 + 576/480 = 1080 + 576/480 = 1656/480 - 1656/480 simplified gives 69/20
- So, 72/32 + 18/15 = 69/20
In mixed form: 39/20
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