Subtract 42/32 from 1/5, Solve 1/5 - 1 10/32 as a fraction

Subtract 42/32 from 1/5

1^st number: 1/5, 2^nd number: 1 10/32

1/5 - 42/32 is -89/80.

Find the least common denominator or LCM of the two denominators:
LCM of 5 and 32 is 160

Next, find the equivalent fraction of both fractional numbers with denominator 160
For the 1st fraction, since 5 × 32 = 160,
1/5 = 1 × 32/5 × 32 = 32/160
Likewise, for the 2nd fraction, since 32 × 5 = 160,
42/32 = 42 × 5/32 × 5 = 210/160
Subtract the two like fractions:
32/160 - 210/160 = 32 - 210/160 = -178/160
After reducing the fraction, the answer is -89/80

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