Subtract 5/49 from 54/21
1st number: 2 12/21, 2nd number: 5/49
54/21 - 5/49 is 121/49.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 21 and 49 is 147
Next, find the equivalent fraction of both fractional numbers with denominator 147 - For the 1st fraction, since 21 × 7 = 147,
54/21 = 54 × 7/21 × 7 = 378/147 - Likewise, for the 2nd fraction, since 49 × 3 = 147,
5/49 = 5 × 3/49 × 3 = 15/147 - Subtract the two like fractions:
378/147 - 15/147 = 378 - 15/147 = 363/147 - After reducing the fraction, the answer is 121/49
- In mixed form: 223/49
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