Subtract 80/30 from 63/3, Solve 21 0/3

Subtract 80/30 from 63/3

1^st number: 21 0/3, 2^nd number: 2 20/30

63/3 - 80/30 is 55/3.

Find the least common denominator or LCM of the two denominators:
LCM of 3 and 30 is 30

Next, find the equivalent fraction of both fractional numbers with denominator 30
For the 1st fraction, since 3 × 10 = 30,
63/3 = 63 × 10/3 × 10 = 630/30
Likewise, for the 2nd fraction, since 30 × 1 = 30,
80/30 = 80 × 1/30 × 1 = 80/30
Subtract the two like fractions:
630/30 - 80/30 = 630 - 80/30 = 550/30
After reducing the fraction, the answer is 55/3
In mixed form: 181/3

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