Subtract 64/45 from 35/42, Solve 35/42

Subtract 64/45 from 35/42

1^st number: 35/42, 2^nd number: 1 19/45

35/42 - 64/45 is -53/90.

Find the least common denominator or LCM of the two denominators:
LCM of 42 and 45 is 630

Next, find the equivalent fraction of both fractional numbers with denominator 630
For the 1st fraction, since 42 × 15 = 630,
35/42 = 35 × 15/42 × 15 = 525/630
Likewise, for the 2nd fraction, since 45 × 14 = 630,
64/45 = 64 × 14/45 × 14 = 896/630
Subtract the two like fractions:
525/630 - 896/630 = 525 - 896/630 = -371/630
After reducing the fraction, the answer is -53/90

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