Add 12/15 and 21/32
12/15 + 21/32 is 233/160.
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,
12/15 = 12 × 32/15 × 32 = 384/480 - Likewise, for the 2nd fraction, since 32 × 15 = 480,
21/32 = 21 × 15/32 × 15 = 315/480 - Add the two like fractions:
384/480 + 315/480 = 384 + 315/480 = 699/480 - 699/480 simplified gives 233/160
- So, 12/15 + 21/32 = 233/160
In mixed form: 173/160
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