Add 18/21 and 15/32
18/21 + 15/32 is 297/224.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 21 and 32 is 672
Next, find the equivalent fraction of both fractional numbers with denominator 672 - For the 1st fraction, since 21 × 32 = 672,
18/21 = 18 × 32/21 × 32 = 576/672 - Likewise, for the 2nd fraction, since 32 × 21 = 672,
15/32 = 15 × 21/32 × 21 = 315/672 - Add the two like fractions:
576/672 + 315/672 = 576 + 315/672 = 891/672 - 891/672 simplified gives 297/224
- So, 18/21 + 15/32 = 297/224
In mixed form: 173/224
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