Add 72/32 and 12/15
1st number: 2 8/32, 2nd number: 12/15
72/32 + 12/15 is 61/20.
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,
12/15 = 12 × 32/15 × 32 = 384/480 - Add the two like fractions:
1080/480 + 384/480 = 1080 + 384/480 = 1464/480 - 1464/480 simplified gives 61/20
- So, 72/32 + 12/15 = 61/20
In mixed form: 31/20
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