Subtract 28/24 from 8/70, Solve 8/70

Subtract 28/24 from 8/70

1^st number: 8/70, 2^nd number: 1 4/24

8/70 - 28/24 is -221/210.

Find the least common denominator or LCM of the two denominators:
LCM of 70 and 24 is 840

Next, find the equivalent fraction of both fractional numbers with denominator 840
For the 1st fraction, since 70 × 12 = 840,
8/70 = 8 × 12/70 × 12 = 96/840
Likewise, for the 2nd fraction, since 24 × 35 = 840,
28/24 = 28 × 35/24 × 35 = 980/840
Subtract the two like fractions:
96/840 - 980/840 = 96 - 980/840 = -884/840
After reducing the fraction, the answer is -221/210

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