Subtract 80/70 from 7/16, Solve 7/16

Subtract 80/70 from 7/16

1^st number: 7/16, 2^nd number: 1 10/70

7/16 - 80/70 is -79/112.

Find the least common denominator or LCM of the two denominators:
LCM of 16 and 70 is 560

Next, find the equivalent fraction of both fractional numbers with denominator 560
For the 1st fraction, since 16 × 35 = 560,
7/16 = 7 × 35/16 × 35 = 245/560
Likewise, for the 2nd fraction, since 70 × 8 = 560,
80/70 = 80 × 8/70 × 8 = 640/560
Subtract the two like fractions:
245/560 - 640/560 = 245 - 640/560 = -395/560
After reducing the fraction, the answer is -79/112

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