Subtract 6/80 from 25/7, Solve 3 4/7

Subtract 6/80 from 25/7

1^st number: 3 4/7, 2^nd number: 6/80

25/7 - 6/80 is 979/280.

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,
25/7 = 25 × 80/7 × 80 = 2000/560
Likewise, for the 2nd fraction, since 80 × 7 = 560,
6/80 = 6 × 7/80 × 7 = 42/560
Subtract the two like fractions:
2000/560 - 42/560 = 2000 - 42/560 = 1958/560
After reducing the fraction, the answer is 979/280
In mixed form: 3139/280

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