Subtract 25/70 from 54/45, Solve 1 9/45

Subtract 25/70 from 54/45

1^st number: 1 9/45, 2^nd number: 25/70

54/45 - 25/70 is 59/70.

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,
25/70 = 25 × 9/70 × 9 = 225/630
Subtract the two like fractions:
756/630 - 225/630 = 756 - 225/630 = 531/630
After reducing the fraction, the answer is 59/70

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