Subtract 2/9 from 28/70, Solve 28/70

Subtract 2/9 from 28/70

28/70 - 2/9 is 8/45.

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,
28/70 = 28 × 9/70 × 9 = 252/630
Likewise, for the 2nd fraction, since 9 × 70 = 630,
2/9 = 2 × 70/9 × 70 = 140/630
Subtract the two like fractions:
252/630 - 140/630 = 252 - 140/630 = 112/630
After reducing the fraction, the answer is 8/45

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