Subtract 4/80 from 16/7, Solve 2 2/7

Subtract 4/80 from 16/7

1^st number: 2 2/7, 2^nd number: 4/80

16/7 - 4/80 is 313/140.

Find the least common denominator or LCM of the two denominators:
LCM of 7 and 80 is 560

Next, find the equivalent fraction of both fractional numbers with denominator 560
For the 1st fraction, since 7 × 80 = 560,
16/7 = 16 × 80/7 × 80 = 1280/560
Likewise, for the 2nd fraction, since 80 × 7 = 560,
4/80 = 4 × 7/80 × 7 = 28/560
Subtract the two like fractions:
1280/560 - 28/560 = 1280 - 28/560 = 1252/560
After reducing the fraction, the answer is 313/140
In mixed form: 233/140

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