Subtract 42/32 from 40/10, Solve 4 0/10

Subtract 42/32 from 40/10

1^st number: 4 0/10, 2^nd number: 1 10/32

40/10 - 42/32 is 43/16.

Find the least common denominator or LCM of the two denominators:
LCM of 10 and 32 is 160

Next, find the equivalent fraction of both fractional numbers with denominator 160
For the 1st fraction, since 10 × 16 = 160,
40/10 = 40 × 16/10 × 16 = 640/160
Likewise, for the 2nd fraction, since 32 × 5 = 160,
42/32 = 42 × 5/32 × 5 = 210/160
Subtract the two like fractions:
640/160 - 210/160 = 640 - 210/160 = 430/160
After reducing the fraction, the answer is 43/16
In mixed form: 211/16

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