Subtract 30/14 from 49/90
1st number: 49/90, 2nd number: 2 2/14
49/90 - 30/14 is -1007/630.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 90 and 14 is 630
Next, find the equivalent fraction of both fractional numbers with denominator 630 - For the 1st fraction, since 90 × 7 = 630,
49/90 = 49 × 7/90 × 7 = 343/630 - Likewise, for the 2nd fraction, since 14 × 45 = 630,
30/14 = 30 × 45/14 × 45 = 1350/630 - Subtract the two like fractions:
343/630 - 1350/630 = 343 - 1350/630 = -1007/630
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 98/90-30/14 49/90-60/14 49/90-30/28 49/90-90/14 49/90-30/42 49/90-30/70 49/90-30/98