Subtract 6/72 from 63/21
1st number: 3 0/21, 2nd number: 6/72
63/21 - 6/72 is 35/12.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 21 and 72 is 504
Next, find the equivalent fraction of both fractional numbers with denominator 504 - For the 1st fraction, since 21 × 24 = 504,
63/21 = 63 × 24/21 × 24 = 1512/504 - Likewise, for the 2nd fraction, since 72 × 7 = 504,
6/72 = 6 × 7/72 × 7 = 42/504 - Subtract the two like fractions:
1512/504 - 42/504 = 1512 - 42/504 = 1470/504 - After reducing the fraction, the answer is 35/12
- In mixed form: 211/12
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