Subtract 30/49 from 63/45
1st number: 1 18/45, 2nd number: 30/49
63/45 - 30/49 is 193/245.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 49 is 2205
Next, find the equivalent fraction of both fractional numbers with denominator 2205 - For the 1st fraction, since 45 × 49 = 2205,
63/45 = 63 × 49/45 × 49 = 3087/2205 - Likewise, for the 2nd fraction, since 49 × 45 = 2205,
30/49 = 30 × 45/49 × 45 = 1350/2205 - Subtract the two like fractions:
3087/2205 - 1350/2205 = 3087 - 1350/2205 = 1737/2205 - After reducing the fraction, the answer is 193/245
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 63/45-60/49 63/90-30/49 63/45-30/98 63/45-90/49