Subtract 21/48 from 30/25, Solve 1 5/25

Subtract 21/48 from 30/25

1^st number: 1 5/25, 2^nd number: 21/48

30/25 - 21/48 is 61/80.

Find the least common denominator or LCM of the two denominators:
LCM of 25 and 48 is 1200

Next, find the equivalent fraction of both fractional numbers with denominator 1200
For the 1st fraction, since 25 × 48 = 1200,
30/25 = 30 × 48/25 × 48 = 1440/1200
Likewise, for the 2nd fraction, since 48 × 25 = 1200,
21/48 = 21 × 25/48 × 25 = 525/1200
Subtract the two like fractions:
1440/1200 - 525/1200 = 1440 - 525/1200 = 915/1200
After reducing the fraction, the answer is 61/80

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