Subtract 30/35 from 49/45
1st number: 1 4/45, 2nd number: 30/35
49/45 - 30/35 is 73/315.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 35 is 315
Next, find the equivalent fraction of both fractional numbers with denominator 315 - For the 1st fraction, since 45 × 7 = 315,
49/45 = 49 × 7/45 × 7 = 343/315 - Likewise, for the 2nd fraction, since 35 × 9 = 315,
30/35 = 30 × 9/35 × 9 = 270/315 - Subtract the two like fractions:
343/315 - 270/315 = 343 - 270/315 = 73/315
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 98/45-30/35 49/45-60/35 49/90-30/35 49/45-30/70 49/45-90/35