Subtract 10/80 from 40/8, Solve 5 0/8

Subtract 10/80 from 40/8

1^st number: 5 0/8, 2^nd number: 10/80

40/8 - 10/80 is 39/8.

Find the least common denominator or LCM of the two denominators:
LCM of 8 and 80 is 80

Next, find the equivalent fraction of both fractional numbers with denominator 80
For the 1st fraction, since 8 × 10 = 80,
40/8 = 40 × 10/8 × 10 = 400/80
Likewise, for the 2nd fraction, since 80 × 1 = 80,
10/80 = 10 × 1/80 × 1 = 10/80
Subtract the two like fractions:
400/80 - 10/80 = 400 - 10/80 = 390/80
After reducing the fraction, the answer is 39/8
In mixed form: 47/8

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