Subtract 16/10 from 54/63, Solve 54/63

Subtract 16/10 from 54/63

1^st number: 54/63, 2^nd number: 1 6/10

54/63 - 16/10 is -26/35.

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

Next, find the equivalent fraction of both fractional numbers with denominator 630
For the 1st fraction, since 63 × 10 = 630,
54/63 = 54 × 10/63 × 10 = 540/630
Likewise, for the 2nd fraction, since 10 × 63 = 630,
16/10 = 16 × 63/10 × 63 = 1008/630
Subtract the two like fractions:
540/630 - 1008/630 = 540 - 1008/630 = -468/630
After reducing the fraction, the answer is -26/35

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