Add 12/15 and 15/16
12/15 + 15/16 is 139/80.
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,
15/16 = 15 × 15/16 × 15 = 225/240 - Add the two like fractions:
192/240 + 225/240 = 192 + 225/240 = 417/240 - 417/240 simplified gives 139/80
- So, 12/15 + 15/16 = 139/80
In mixed form: 159/80
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