Add 21/18 and 15/32
1st number: 1 3/18, 2nd number: 15/32
21/18 + 15/32 is 157/96.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 32 is 288
Next, find the equivalent fraction of both fractional numbers with denominator 288 - For the 1st fraction, since 18 × 16 = 288,
21/18 = 21 × 16/18 × 16 = 336/288 - Likewise, for the 2nd fraction, since 32 × 9 = 288,
15/32 = 15 × 9/32 × 9 = 135/288 - Add the two like fractions:
336/288 + 135/288 = 336 + 135/288 = 471/288 - 471/288 simplified gives 157/96
- So, 21/18 + 15/32 = 157/96
In mixed form: 161/96
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