Subtract 42/32 from 30/4, Solve 7 2/4

Subtract 42/32 from 30/4

1^st number: 7 2/4, 2^nd number: 1 10/32

30/4 - 42/32 is 99/16.

Find the least common denominator or LCM of the two denominators:
LCM of 4 and 32 is 32

Next, find the equivalent fraction of both fractional numbers with denominator 32
For the 1st fraction, since 4 × 8 = 32,
30/4 = 30 × 8/4 × 8 = 240/32
Likewise, for the 2nd fraction, since 32 × 1 = 32,
42/32 = 42 × 1/32 × 1 = 42/32
Subtract the two like fractions:
240/32 - 42/32 = 240 - 42/32 = 198/32
After reducing the fraction, the answer is 99/16
In mixed form: 63/16

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