Subtract 90/63 from 56/30, Solve 1 26/30

Subtract 90/63 from 56/30

1^st number: 1 26/30, 2^nd number: 1 27/63

56/30 - 90/63 is 46/105.

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,
56/30 = 56 × 21/30 × 21 = 1176/630
Likewise, for the 2nd fraction, since 63 × 10 = 630,
90/63 = 90 × 10/63 × 10 = 900/630
Subtract the two like fractions:
1176/630 - 900/630 = 1176 - 900/630 = 276/630
After reducing the fraction, the answer is 46/105

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