Subtract 4/72 from 90/14
1st number: 6 6/14, 2nd number: 4/72
90/14 - 4/72 is 803/126.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 14 and 72 is 504
Next, find the equivalent fraction of both fractional numbers with denominator 504 - For the 1st fraction, since 14 × 36 = 504,
90/14 = 90 × 36/14 × 36 = 3240/504 - Likewise, for the 2nd fraction, since 72 × 7 = 504,
4/72 = 4 × 7/72 × 7 = 28/504 - Subtract the two like fractions:
3240/504 - 28/504 = 3240 - 28/504 = 3212/504 - After reducing the fraction, the answer is 803/126
- In mixed form: 647/126
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