Subtract 7/36 from 45/21
1st number: 2 3/21, 2nd number: 7/36
45/21 - 7/36 is 491/252.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 21 and 36 is 252
Next, find the equivalent fraction of both fractional numbers with denominator 252 - For the 1st fraction, since 21 × 12 = 252,
45/21 = 45 × 12/21 × 12 = 540/252 - Likewise, for the 2nd fraction, since 36 × 7 = 252,
7/36 = 7 × 7/36 × 7 = 49/252 - Subtract the two like fractions:
540/252 - 49/252 = 540 - 49/252 = 491/252 - In mixed form: 1239/252
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