Subtract 49/70 from 25/9, Solve 2 7/9

Subtract 49/70 from 25/9

1^st number: 2 7/9, 2^nd number: 49/70

25/9 - 49/70 is 187/90.

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

Next, find the equivalent fraction of both fractional numbers with denominator 630
For the 1st fraction, since 9 × 70 = 630,
25/9 = 25 × 70/9 × 70 = 1750/630
Likewise, for the 2nd fraction, since 70 × 9 = 630,
49/70 = 49 × 9/70 × 9 = 441/630
Subtract the two like fractions:
1750/630 - 441/630 = 1750 - 441/630 = 1309/630
After reducing the fraction, the answer is 187/90
In mixed form: 27/90

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