Subtract 98/16 from 72/70, Solve 1 2/70

Subtract 98/16 from 72/70

1^st number: 1 2/70, 2^nd number: 6 2/16

72/70 - 98/16 is -1427/280.

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

Next, find the equivalent fraction of both fractional numbers with denominator 560
For the 1st fraction, since 70 × 8 = 560,
72/70 = 72 × 8/70 × 8 = 576/560
Likewise, for the 2nd fraction, since 16 × 35 = 560,
98/16 = 98 × 35/16 × 35 = 3430/560
Subtract the two like fractions:
576/560 - 3430/560 = 576 - 3430/560 = -2854/560
After reducing the fraction, the answer is -1427/280

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