Subtract 98/70 from 12/16, Solve 12/16

Subtract 98/70 from 12/16

1^st number: 12/16, 2^nd number: 1 28/70

12/16 - 98/70 is -13/20.

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,
12/16 = 12 × 35/16 × 35 = 420/560
Likewise, for the 2nd fraction, since 70 × 8 = 560,
98/70 = 98 × 8/70 × 8 = 784/560
Subtract the two like fractions:
420/560 - 784/560 = 420 - 784/560 = -364/560
After reducing the fraction, the answer is -13/20

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