Subtract 4/9 from 49/70, Solve 49/70

Subtract 4/9 from 49/70

49/70 - 4/9 is 23/90.

Find the least common denominator or LCM of the two denominators:
LCM of 70 and 9 is 630

Next, find the equivalent fraction of both fractional numbers with denominator 630
For the 1st fraction, since 70 × 9 = 630,
49/70 = 49 × 9/70 × 9 = 441/630
Likewise, for the 2nd fraction, since 9 × 70 = 630,
4/9 = 4 × 70/9 × 70 = 280/630
Subtract the two like fractions:
441/630 - 280/630 = 441 - 280/630 = 161/630
After reducing the fraction, the answer is 23/90

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