Subtract 40/7 from 30/5
1st number: 6 0/5, 2nd number: 5 5/7
30/5 - 40/7 is 2/7.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 5 and 7 is 35
Next, find the equivalent fraction of both fractional numbers with denominator 35 - For the 1st fraction, since 5 × 7 = 35,
30/5 = 30 × 7/5 × 7 = 210/35 - Likewise, for the 2nd fraction, since 7 × 5 = 35,
40/7 = 40 × 5/7 × 5 = 200/35 - Subtract the two like fractions:
210/35 - 200/35 = 210 - 200/35 = 10/35 - After reducing the fraction, the answer is 2/7
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