Subtract 4/20 from 45/6, Solve 7 3/6

Subtract 4/20 from 45/6

1^st number: 7 3/6, 2^nd number: 4/20

45/6 - 4/20 is 73/10.

Find the least common denominator or LCM of the two denominators:
LCM of 6 and 20 is 60

Next, find the equivalent fraction of both fractional numbers with denominator 60
For the 1st fraction, since 6 × 10 = 60,
45/6 = 45 × 10/6 × 10 = 450/60
Likewise, for the 2nd fraction, since 20 × 3 = 60,
4/20 = 4 × 3/20 × 3 = 12/60
Subtract the two like fractions:
450/60 - 12/60 = 450 - 12/60 = 438/60
After reducing the fraction, the answer is 73/10
In mixed form: 73/10

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