Subtract 42/30 from 49/16
1st number: 3 1/16, 2nd number: 1 12/30
49/16 - 42/30 is 133/80.
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,
49/16 = 49 × 15/16 × 15 = 735/240 - Likewise, for the 2nd fraction, since 30 × 8 = 240,
42/30 = 42 × 8/30 × 8 = 336/240 - Subtract the two like fractions:
735/240 - 336/240 = 735 - 336/240 = 399/240 - After reducing the fraction, the answer is 133/80
- In mixed form: 153/80
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 98/16-42/30 49/16-84/30 49/32-42/30 49/16-42/60 49/48-42/30 49/16-42/90 49/80-42/30