Subtract 72/45 from 80/14, Solve 5 10/14

Subtract 72/45 from 80/14

1^st number: 5 10/14, 2^nd number: 1 27/45

80/14 - 72/45 is 144/35.

Find the least common denominator or LCM of the two denominators:
LCM of 14 and 45 is 630

Next, find the equivalent fraction of both fractional numbers with denominator 630
For the 1st fraction, since 14 × 45 = 630,
80/14 = 80 × 45/14 × 45 = 3600/630
Likewise, for the 2nd fraction, since 45 × 14 = 630,
72/45 = 72 × 14/45 × 14 = 1008/630
Subtract the two like fractions:
3600/630 - 1008/630 = 3600 - 1008/630 = 2592/630
After reducing the fraction, the answer is 144/35
In mixed form: 44/35

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