Subtract 80/30 from 54/5, Solve 10 4/5

Subtract 80/30 from 54/5

1^st number: 10 4/5, 2^nd number: 2 20/30

54/5 - 80/30 is 122/15.

Find the least common denominator or LCM of the two denominators:
LCM of 5 and 30 is 30

Next, find the equivalent fraction of both fractional numbers with denominator 30
For the 1st fraction, since 5 × 6 = 30,
54/5 = 54 × 6/5 × 6 = 324/30
Likewise, for the 2nd fraction, since 30 × 1 = 30,
80/30 = 80 × 1/30 × 1 = 80/30
Subtract the two like fractions:
324/30 - 80/30 = 324 - 80/30 = 244/30
After reducing the fraction, the answer is 122/15
In mixed form: 82/15

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