Add 72/15 and 20/32
1st number: 4 12/15, 2nd number: 20/32
72/15 + 20/32 is 217/40.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 32 is 480
Next, find the equivalent fraction of both fractional numbers with denominator 480 - For the 1st fraction, since 15 × 32 = 480,
72/15 = 72 × 32/15 × 32 = 2304/480 - Likewise, for the 2nd fraction, since 32 × 15 = 480,
20/32 = 20 × 15/32 × 15 = 300/480 - Add the two like fractions:
2304/480 + 300/480 = 2304 + 300/480 = 2604/480 - 2604/480 simplified gives 217/40
- So, 72/15 + 20/32 = 217/40
In mixed form: 517/40
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