Subtract 6/50 from 42/40, Solve 1 2/40

Subtract 6/50 from 42/40

1^st number: 1 2/40, 2^nd number: 6/50

42/40 - 6/50 is 93/100.

Find the least common denominator or LCM of the two denominators:
LCM of 40 and 50 is 200

Next, find the equivalent fraction of both fractional numbers with denominator 200
For the 1st fraction, since 40 × 5 = 200,
42/40 = 42 × 5/40 × 5 = 210/200
Likewise, for the 2nd fraction, since 50 × 4 = 200,
6/50 = 6 × 4/50 × 4 = 24/200
Subtract the two like fractions:
210/200 - 24/200 = 210 - 24/200 = 186/200
After reducing the fraction, the answer is 93/100

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