Subtract 2/80 from 20/14, Solve 1 6/14

Subtract 2/80 from 20/14

1^st number: 1 6/14, 2^nd number: 2/80

20/14 - 2/80 is 393/280.

Find the least common denominator or LCM of the two denominators:
LCM of 14 and 80 is 560

Next, find the equivalent fraction of both fractional numbers with denominator 560
For the 1st fraction, since 14 × 40 = 560,
20/14 = 20 × 40/14 × 40 = 800/560
Likewise, for the 2nd fraction, since 80 × 7 = 560,
2/80 = 2 × 7/80 × 7 = 14/560
Subtract the two like fractions:
800/560 - 14/560 = 800 - 14/560 = 786/560
After reducing the fraction, the answer is 393/280
In mixed form: 1113/280

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