Subtract 15/18 from 54/10, Solve 5 4/10

Subtract 15/18 from 54/10

1^st number: 5 4/10, 2^nd number: 15/18

54/10 - 15/18 is 137/30.

Find the least common denominator or LCM of the two denominators:
LCM of 10 and 18 is 90

Next, find the equivalent fraction of both fractional numbers with denominator 90
For the 1st fraction, since 10 × 9 = 90,
54/10 = 54 × 9/10 × 9 = 486/90
Likewise, for the 2nd fraction, since 18 × 5 = 90,
15/18 = 15 × 5/18 × 5 = 75/90
Subtract the two like fractions:
486/90 - 75/90 = 486 - 75/90 = 411/90
After reducing the fraction, the answer is 137/30
In mixed form: 417/30

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