Subtract 18/63 from 28/25, Solve 1 3/25

Subtract 18/63 from 28/25

1^st number: 1 3/25, 2^nd number: 18/63

28/25 - 18/63 is 146/175.

Find the least common denominator or LCM of the two denominators:
LCM of 25 and 63 is 1575

Next, find the equivalent fraction of both fractional numbers with denominator 1575
For the 1st fraction, since 25 × 63 = 1575,
28/25 = 28 × 63/25 × 63 = 1764/1575
Likewise, for the 2nd fraction, since 63 × 25 = 1575,
18/63 = 18 × 25/63 × 25 = 450/1575
Subtract the two like fractions:
1764/1575 - 450/1575 = 1764 - 450/1575 = 1314/1575
After reducing the fraction, the answer is 146/175

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