Subtract 48/25 from 42/18, Solve 2 6/18

Subtract 48/25 from 42/18

1^st number: 2 6/18, 2^nd number: 1 23/25

42/18 - 48/25 is 31/75.

Find the least common denominator or LCM of the two denominators:
LCM of 18 and 25 is 450

Next, find the equivalent fraction of both fractional numbers with denominator 450
For the 1st fraction, since 18 × 25 = 450,
42/18 = 42 × 25/18 × 25 = 1050/450
Likewise, for the 2nd fraction, since 25 × 18 = 450,
48/25 = 48 × 18/25 × 18 = 864/450
Subtract the two like fractions:
1050/450 - 864/450 = 1050 - 864/450 = 186/450
After reducing the fraction, the answer is 31/75

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