Subtract 10/8 from 20/5, Solve 4 0/5

Subtract 10/8 from 20/5

1^st number: 4 0/5, 2^nd number: 1 2/8

20/5 - 10/8 is 11/4.

Find the least common denominator or LCM of the two denominators:
LCM of 5 and 8 is 40

Next, find the equivalent fraction of both fractional numbers with denominator 40
For the 1st fraction, since 5 × 8 = 40,
20/5 = 20 × 8/5 × 8 = 160/40
Likewise, for the 2nd fraction, since 8 × 5 = 40,
10/8 = 10 × 5/8 × 5 = 50/40
Subtract the two like fractions:
160/40 - 50/40 = 160 - 50/40 = 110/40
After reducing the fraction, the answer is 11/4
In mixed form: 23/4

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