Subtract 35/70 from 54/45, Solve 1 9/45

Subtract 35/70 from 54/45

1^st number: 1 9/45, 2^nd number: 35/70

54/45 - 35/70 is 7/10.

Find the least common denominator or LCM of the two denominators:
LCM of 45 and 70 is 630

Next, find the equivalent fraction of both fractional numbers with denominator 630
For the 1st fraction, since 45 × 14 = 630,
54/45 = 54 × 14/45 × 14 = 756/630
Likewise, for the 2nd fraction, since 70 × 9 = 630,
35/70 = 35 × 9/70 × 9 = 315/630
Subtract the two like fractions:
756/630 - 315/630 = 756 - 315/630 = 441/630
After reducing the fraction, the answer is 7/10

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