Subtract 42/70 from 25/9, Solve 2 7/9

Subtract 42/70 from 25/9

1^st number: 2 7/9, 2^nd number: 42/70

25/9 - 42/70 is 98/45.

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,
42/70 = 42 × 9/70 × 9 = 378/630
Subtract the two like fractions:
1750/630 - 378/630 = 1750 - 378/630 = 1372/630
After reducing the fraction, the answer is 98/45
In mixed form: 28/45

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