Subtract 8/27 from 98/20, Solve 4 18/20

Subtract 8/27 from 98/20

1^st number: 4 18/20, 2^nd number: 8/27

98/20 - 8/27 is 1243/270.

Find the least common denominator or LCM of the two denominators:
LCM of 20 and 27 is 540

Next, find the equivalent fraction of both fractional numbers with denominator 540
For the 1st fraction, since 20 × 27 = 540,
98/20 = 98 × 27/20 × 27 = 2646/540
Likewise, for the 2nd fraction, since 27 × 20 = 540,
8/27 = 8 × 20/27 × 20 = 160/540
Subtract the two like fractions:
2646/540 - 160/540 = 2646 - 160/540 = 2486/540
After reducing the fraction, the answer is 1243/270
In mixed form: 4163/270

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