Subtract 9/60 from 40/7, Solve 5 5/7

Subtract 9/60 from 40/7

1^st number: 5 5/7, 2^nd number: 9/60

40/7 - 9/60 is 779/140.

Find the least common denominator or LCM of the two denominators:
LCM of 7 and 60 is 420

Next, find the equivalent fraction of both fractional numbers with denominator 420
For the 1st fraction, since 7 × 60 = 420,
40/7 = 40 × 60/7 × 60 = 2400/420
Likewise, for the 2nd fraction, since 60 × 7 = 420,
9/60 = 9 × 7/60 × 7 = 63/420
Subtract the two like fractions:
2400/420 - 63/420 = 2400 - 63/420 = 2337/420
After reducing the fraction, the answer is 779/140
In mixed form: 579/140

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