Subtract 5/24 from 42/18, Solve 2 6/18

Subtract 5/24 from 42/18

1^st number: 2 6/18, 2^nd number: 5/24

42/18 - 5/24 is 17/8.

Find the least common denominator or LCM of the two denominators:
LCM of 18 and 24 is 72

Next, find the equivalent fraction of both fractional numbers with denominator 72
For the 1st fraction, since 18 × 4 = 72,
42/18 = 42 × 4/18 × 4 = 168/72
Likewise, for the 2nd fraction, since 24 × 3 = 72,
5/24 = 5 × 3/24 × 3 = 15/72
Subtract the two like fractions:
168/72 - 15/72 = 168 - 15/72 = 153/72
After reducing the fraction, the answer is 17/8
In mixed form: 21/8

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