Subtract 3/63 from 49/45
1st number: 1 4/45, 2nd number: 3/63
49/45 - 3/63 is 328/315.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 63 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 63 × 5 = 315,
3/63 = 3 × 5/63 × 5 = 15/315 - Subtract the two like fractions:
343/315 - 15/315 = 343 - 15/315 = 328/315 - In mixed form: 113/315
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 98/45-3/63 49/45-6/63 49/90-3/63 49/45-9/63 49/45-15/63 49/45-21/63