Subtract 10/63 from 40/30, Solve 1 10/30

Subtract 10/63 from 40/30

1^st number: 1 10/30, 2^nd number: 10/63

40/30 - 10/63 is 74/63.

Find the least common denominator or LCM of the two denominators:
LCM of 30 and 63 is 630

Next, find the equivalent fraction of both fractional numbers with denominator 630
For the 1st fraction, since 30 × 21 = 630,
40/30 = 40 × 21/30 × 21 = 840/630
Likewise, for the 2nd fraction, since 63 × 10 = 630,
10/63 = 10 × 10/63 × 10 = 100/630
Subtract the two like fractions:
840/630 - 100/630 = 840 - 100/630 = 740/630
After reducing the fraction, the answer is 74/63
In mixed form: 111/63

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