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

Subtract 28/24 from 24/70

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

24/70 - 28/24 is -173/210.

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,
24/70 = 24 × 12/70 × 12 = 288/840
Likewise, for the 2nd fraction, since 24 × 35 = 840,
28/24 = 28 × 35/24 × 35 = 980/840
Subtract the two like fractions:
288/840 - 980/840 = 288 - 980/840 = -692/840
After reducing the fraction, the answer is -173/210

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