Subtract 18/72 from 40/7
1st number: 5 5/7, 2nd number: 18/72
40/7 - 18/72 is 153/28.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 7 and 72 is 504
Next, find the equivalent fraction of both fractional numbers with denominator 504 - For the 1st fraction, since 7 × 72 = 504,
40/7 = 40 × 72/7 × 72 = 2880/504 - Likewise, for the 2nd fraction, since 72 × 7 = 504,
18/72 = 18 × 7/72 × 7 = 126/504 - Subtract the two like fractions:
2880/504 - 126/504 = 2880 - 126/504 = 2754/504 - After reducing the fraction, the answer is 153/28
- In mixed form: 513/28
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