Subtract 30/7 from 49/4
1st number: 12 1/4, 2nd number: 4 2/7
49/4 - 30/7 is 223/28.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 7 is 28
Next, find the equivalent fraction of both fractional numbers with denominator 28 - For the 1st fraction, since 4 × 7 = 28,
49/4 = 49 × 7/4 × 7 = 343/28 - Likewise, for the 2nd fraction, since 7 × 4 = 28,
30/7 = 30 × 4/7 × 4 = 120/28 - Subtract the two like fractions:
343/28 - 120/28 = 343 - 120/28 = 223/28 - In mixed form: 727/28
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 98/4-30/7 49/4-60/7 49/8-30/7 49/4-30/14 49/4-90/7 49/12-30/7 49/4-30/21 49/20-30/7 49/4-30/35 49/28-30/7 49/4-30/49