Subtract 21/56 from 35/9, Solve 3 8/9

Subtract 21/56 from 35/9

1^st number: 3 8/9, 2^nd number: 21/56

35/9 - 21/56 is 253/72.

Find the least common denominator or LCM of the two denominators:
LCM of 9 and 56 is 504

Next, find the equivalent fraction of both fractional numbers with denominator 504
For the 1st fraction, since 9 × 56 = 504,
35/9 = 35 × 56/9 × 56 = 1960/504
Likewise, for the 2nd fraction, since 56 × 9 = 504,
21/56 = 21 × 9/56 × 9 = 189/504
Subtract the two like fractions:
1960/504 - 189/504 = 1960 - 189/504 = 1771/504
After reducing the fraction, the answer is 253/72
In mixed form: 337/72

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