Subtract 18/30 from 40/7, Solve 5 5/7

Subtract 18/30 from 40/7

1^st number: 5 5/7, 2^nd number: 18/30

40/7 - 18/30 is 179/35.

Find the least common denominator or LCM of the two denominators:
LCM of 7 and 30 is 210

Next, find the equivalent fraction of both fractional numbers with denominator 210
For the 1st fraction, since 7 × 30 = 210,
40/7 = 40 × 30/7 × 30 = 1200/210
Likewise, for the 2nd fraction, since 30 × 7 = 210,
18/30 = 18 × 7/30 × 7 = 126/210
Subtract the two like fractions:
1200/210 - 126/210 = 1200 - 126/210 = 1074/210
After reducing the fraction, the answer is 179/35
In mixed form: 54/35

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