Subtract 8/20 from 45/10, Solve 4 5/10

Subtract 8/20 from 45/10

1^st number: 4 5/10, 2^nd number: 8/20

45/10 - 8/20 is 41/10.

Find the least common denominator or LCM of the two denominators:
LCM of 10 and 20 is 20

Next, find the equivalent fraction of both fractional numbers with denominator 20
For the 1st fraction, since 10 × 2 = 20,
45/10 = 45 × 2/10 × 2 = 90/20
Likewise, for the 2nd fraction, since 20 × 1 = 20,
8/20 = 8 × 1/20 × 1 = 8/20
Subtract the two like fractions:
90/20 - 8/20 = 90 - 8/20 = 82/20
After reducing the fraction, the answer is 41/10
In mixed form: 41/10

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