Subtract 42/40 from 10/3, Solve 3 1/3

Subtract 42/40 from 10/3

1^st number: 3 1/3, 2^nd number: 1 2/40

10/3 - 42/40 is 137/60.

Find the least common denominator or LCM of the two denominators:
LCM of 3 and 40 is 120

Next, find the equivalent fraction of both fractional numbers with denominator 120
For the 1st fraction, since 3 × 40 = 120,
10/3 = 10 × 40/3 × 40 = 400/120
Likewise, for the 2nd fraction, since 40 × 3 = 120,
42/40 = 42 × 3/40 × 3 = 126/120
Subtract the two like fractions:
400/120 - 126/120 = 400 - 126/120 = 274/120
After reducing the fraction, the answer is 137/60
In mixed form: 217/60

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