Subtract 42/27 from 45/10, Solve 4 5/10

Subtract 42/27 from 45/10

1^st number: 4 5/10, 2^nd number: 1 15/27

45/10 - 42/27 is 53/18.

Find the least common denominator or LCM of the two denominators:
LCM of 10 and 27 is 270

Next, find the equivalent fraction of both fractional numbers with denominator 270
For the 1st fraction, since 10 × 27 = 270,
45/10 = 45 × 27/10 × 27 = 1215/270
Likewise, for the 2nd fraction, since 27 × 10 = 270,
42/27 = 42 × 10/27 × 10 = 420/270
Subtract the two like fractions:
1215/270 - 420/270 = 1215 - 420/270 = 795/270
After reducing the fraction, the answer is 53/18
In mixed form: 217/18

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