Subtract 21/49 from 49/10, Solve 4 9/10

Subtract 21/49 from 49/10

1^st number: 4 9/10, 2^nd number: 21/49

49/10 - 21/49 is 313/70.

Find the least common denominator or LCM of the two denominators:
LCM of 10 and 49 is 490

Next, find the equivalent fraction of both fractional numbers with denominator 490
For the 1st fraction, since 10 × 49 = 490,
49/10 = 49 × 49/10 × 49 = 2401/490
Likewise, for the 2nd fraction, since 49 × 10 = 490,
21/49 = 21 × 10/49 × 10 = 210/490
Subtract the two like fractions:
2401/490 - 210/490 = 2401 - 210/490 = 2191/490
After reducing the fraction, the answer is 313/70
In mixed form: 433/70

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