Subtract 70/49 from 28/9, Solve 3 1/9

Subtract 70/49 from 28/9

1^st number: 3 1/9, 2^nd number: 1 21/49

28/9 - 70/49 is 106/63.

Find the least common denominator or LCM of the two denominators:
LCM of 9 and 49 is 441

Next, find the equivalent fraction of both fractional numbers with denominator 441
For the 1st fraction, since 9 × 49 = 441,
28/9 = 28 × 49/9 × 49 = 1372/441
Likewise, for the 2nd fraction, since 49 × 9 = 441,
70/49 = 70 × 9/49 × 9 = 630/441
Subtract the two like fractions:
1372/441 - 630/441 = 1372 - 630/441 = 742/441
After reducing the fraction, the answer is 106/63
In mixed form: 143/63

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