Subtract 45/42 from 80/5, Solve 16 0/5

Subtract 45/42 from 80/5

1^st number: 16 0/5, 2^nd number: 1 3/42

80/5 - 45/42 is 209/14.

Find the least common denominator or LCM of the two denominators:
LCM of 5 and 42 is 210

Next, find the equivalent fraction of both fractional numbers with denominator 210
For the 1st fraction, since 5 × 42 = 210,
80/5 = 80 × 42/5 × 42 = 3360/210
Likewise, for the 2nd fraction, since 42 × 5 = 210,
45/42 = 45 × 5/42 × 5 = 225/210
Subtract the two like fractions:
3360/210 - 225/210 = 3360 - 225/210 = 3135/210
After reducing the fraction, the answer is 209/14
In mixed form: 1413/14

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