Subtract 5/21 from 9/24
9/24 - 5/21 is 23/168.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 24 and 21 is 168
Next, find the equivalent fraction of both fractional numbers with denominator 168 - For the 1st fraction, since 24 × 7 = 168,
9/24 = 9 × 7/24 × 7 = 63/168 - Likewise, for the 2nd fraction, since 21 × 8 = 168,
5/21 = 5 × 8/21 × 8 = 40/168 - Subtract the two like fractions:
63/168 - 40/168 = 63 - 40/168 = 23/168
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