Subtract 45/63 from 10/6, Solve 1 4/6

Subtract 45/63 from 10/6

1^st number: 1 4/6, 2^nd number: 45/63

10/6 - 45/63 is 20/21.

Find the least common denominator or LCM of the two denominators:
LCM of 6 and 63 is 126

Next, find the equivalent fraction of both fractional numbers with denominator 126
For the 1st fraction, since 6 × 21 = 126,
10/6 = 10 × 21/6 × 21 = 210/126
Likewise, for the 2nd fraction, since 63 × 2 = 126,
45/63 = 45 × 2/63 × 2 = 90/126
Subtract the two like fractions:
210/126 - 90/126 = 210 - 90/126 = 120/126
After reducing the fraction, the answer is 20/21

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