Subtract 21/49 from 63/27
1st number: 2 9/27, 2nd number: 21/49
63/27 - 21/49 is 40/21.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 27 and 49 is 1323
Next, find the equivalent fraction of both fractional numbers with denominator 1323 - For the 1st fraction, since 27 × 49 = 1323,
63/27 = 63 × 49/27 × 49 = 3087/1323 - Likewise, for the 2nd fraction, since 49 × 27 = 1323,
21/49 = 21 × 27/49 × 27 = 567/1323 - Subtract the two like fractions:
3087/1323 - 567/1323 = 3087 - 567/1323 = 2520/1323 - After reducing the fraction, the answer is 40/21
- In mixed form: 119/21
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