Subtract 7/72 from 49/21
1st number: 2 7/21, 2nd number: 7/72
49/21 - 7/72 is 161/72.
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,
49/21 = 49 × 24/21 × 24 = 1176/504 - Likewise, for the 2nd fraction, since 72 × 7 = 504,
7/72 = 7 × 7/72 × 7 = 49/504 - Subtract the two like fractions:
1176/504 - 49/504 = 1176 - 49/504 = 1127/504 - After reducing the fraction, the answer is 161/72
- In mixed form: 217/72
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