Subtract 6/30 from 42/16
1st number: 2 10/16, 2nd number: 6/30
42/16 - 6/30 is 97/40.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 16 and 30 is 240
Next, find the equivalent fraction of both fractional numbers with denominator 240 - For the 1st fraction, since 16 × 15 = 240,
42/16 = 42 × 15/16 × 15 = 630/240 - Likewise, for the 2nd fraction, since 30 × 8 = 240,
6/30 = 6 × 8/30 × 8 = 48/240 - Subtract the two like fractions:
630/240 - 48/240 = 630 - 48/240 = 582/240 - After reducing the fraction, the answer is 97/40
- In mixed form: 217/40
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/16-6/30 42/16-12/30 42/32-6/30 42/16-6/60 42/16-18/30 42/48-6/30 42/16-6/90 42/80-6/30 42/16-42/30