Subtract 7/16 from 42/25
1st number: 1 17/25, 2nd number: 7/16
42/25 - 7/16 is 497/400.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 25 and 16 is 400
Next, find the equivalent fraction of both fractional numbers with denominator 400 - For the 1st fraction, since 25 × 16 = 400,
42/25 = 42 × 16/25 × 16 = 672/400 - Likewise, for the 2nd fraction, since 16 × 25 = 400,
7/16 = 7 × 25/16 × 25 = 175/400 - Subtract the two like fractions:
672/400 - 175/400 = 672 - 175/400 = 497/400 - In mixed form: 197/400
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/25-7/16 42/25-14/16 42/50-7/16 42/25-7/32 42/25-21/16 42/75-7/16 42/25-7/48 42/25-35/16 42/25-7/80 42/25-49/16