Subtract 45/42 from 16/25
1st number: 16/25, 2nd number: 1 3/42
16/25 - 45/42 is -151/350.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 25 and 42 is 1050
Next, find the equivalent fraction of both fractional numbers with denominator 1050 - For the 1st fraction, since 25 × 42 = 1050,
16/25 = 16 × 42/25 × 42 = 672/1050 - Likewise, for the 2nd fraction, since 42 × 25 = 1050,
45/42 = 45 × 25/42 × 25 = 1125/1050 - Subtract the two like fractions:
672/1050 - 1125/1050 = 672 - 1125/1050 = -453/1050 - After reducing the fraction, the answer is -151/350
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 32/25-45/42 16/25-90/42 16/50-45/42 16/25-45/84 48/25-45/42 16/75-45/42 80/25-45/42