Subtract 8/49 from 75/70, Solve 1 5/70

Subtract 8/49 from 75/70

1^st number: 1 5/70, 2^nd number: 8/49

75/70 - 8/49 is 89/98.

Find the least common denominator or LCM of the two denominators:
LCM of 70 and 49 is 490

Next, find the equivalent fraction of both fractional numbers with denominator 490
For the 1st fraction, since 70 × 7 = 490,
75/70 = 75 × 7/70 × 7 = 525/490
Likewise, for the 2nd fraction, since 49 × 10 = 490,
8/49 = 8 × 10/49 × 10 = 80/490
Subtract the two like fractions:
525/490 - 80/490 = 525 - 80/490 = 445/490
After reducing the fraction, the answer is 89/98

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