Subtract 54/45 from 40/7
1st number: 5 5/7, 2nd number: 1 9/45
40/7 - 54/45 is 158/35.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 7 and 45 is 315
Next, find the equivalent fraction of both fractional numbers with denominator 315 - For the 1st fraction, since 7 × 45 = 315,
40/7 = 40 × 45/7 × 45 = 1800/315 - Likewise, for the 2nd fraction, since 45 × 7 = 315,
54/45 = 54 × 7/45 × 7 = 378/315 - Subtract the two like fractions:
1800/315 - 378/315 = 1800 - 378/315 = 1422/315 - After reducing the fraction, the answer is 158/35
- In mixed form: 418/35
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