Add 12/15 and 72/16
1st number: 12/15, 2nd number: 4 8/16
12/15 + 72/16 is 53/10.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 16 is 240
Next, find the equivalent fraction of both fractional numbers with denominator 240 - For the 1st fraction, since 15 × 16 = 240,
12/15 = 12 × 16/15 × 16 = 192/240 - Likewise, for the 2nd fraction, since 16 × 15 = 240,
72/16 = 72 × 15/16 × 15 = 1080/240 - Add the two like fractions:
192/240 + 1080/240 = 192 + 1080/240 = 1272/240 - 1272/240 simplified gives 53/10
- So, 12/15 + 72/16 = 53/10
In mixed form: 53/10
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