Subtract 18/63 from 63/10, Solve 6 3/10

Subtract 18/63 from 63/10

1^st number: 6 3/10, 2^nd number: 18/63

63/10 - 18/63 is 421/70.

Find the least common denominator or LCM of the two denominators:
LCM of 10 and 63 is 630

Next, find the equivalent fraction of both fractional numbers with denominator 630
For the 1st fraction, since 10 × 63 = 630,
63/10 = 63 × 63/10 × 63 = 3969/630
Likewise, for the 2nd fraction, since 63 × 10 = 630,
18/63 = 18 × 10/63 × 10 = 180/630
Subtract the two like fractions:
3969/630 - 180/630 = 3969 - 180/630 = 3789/630
After reducing the fraction, the answer is 421/70
In mixed form: 61/70

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