Subtract 60/42 from 30/24, Solve 1 6/24

Subtract 60/42 from 30/24

1^st number: 1 6/24, 2^nd number: 1 18/42

30/24 - 60/42 is -5/28.

Find the least common denominator or LCM of the two denominators:
LCM of 24 and 42 is 168

Next, find the equivalent fraction of both fractional numbers with denominator 168
For the 1st fraction, since 24 × 7 = 168,
30/24 = 30 × 7/24 × 7 = 210/168
Likewise, for the 2nd fraction, since 42 × 4 = 168,
60/42 = 60 × 4/42 × 4 = 240/168
Subtract the two like fractions:
210/168 - 240/168 = 210 - 240/168 = -30/168
After reducing the fraction, the answer is -5/28

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