Subtract 6/80 from 7/4, Solve 1 3/4

Subtract 6/80 from 7/4

1^st number: 1 3/4, 2^nd number: 6/80

7/4 - 6/80 is 67/40.

Find the least common denominator or LCM of the two denominators:
LCM of 4 and 80 is 80

Next, find the equivalent fraction of both fractional numbers with denominator 80
For the 1st fraction, since 4 × 20 = 80,
7/4 = 7 × 20/4 × 20 = 140/80
Likewise, for the 2nd fraction, since 80 × 1 = 80,
6/80 = 6 × 1/80 × 1 = 6/80
Subtract the two like fractions:
140/80 - 6/80 = 140 - 6/80 = 134/80
After reducing the fraction, the answer is 67/40
In mixed form: 127/40

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