Subtract 4/15 from 18/10, Solve 1 8/10

Subtract 4/15 from 18/10

1^st number: 1 8/10, 2^nd number: 4/15

18/10 - 4/15 is 23/15.

Find the least common denominator or LCM of the two denominators:
LCM of 10 and 15 is 30

Next, find the equivalent fraction of both fractional numbers with denominator 30
For the 1st fraction, since 10 × 3 = 30,
18/10 = 18 × 3/10 × 3 = 54/30
Likewise, for the 2nd fraction, since 15 × 2 = 30,
4/15 = 4 × 2/15 × 2 = 8/30
Subtract the two like fractions:
54/30 - 8/30 = 54 - 8/30 = 46/30
After reducing the fraction, the answer is 23/15
In mixed form: 18/15

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