Subtract 1/30 from 63/8
1st number: 7 7/8, 2nd number: 1/30
63/8 - 1/30 is 941/120.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 8 and 30 is 120
Next, find the equivalent fraction of both fractional numbers with denominator 120 - For the 1st fraction, since 8 × 15 = 120,
63/8 = 63 × 15/8 × 15 = 945/120 - Likewise, for the 2nd fraction, since 30 × 4 = 120,
1/30 = 1 × 4/30 × 4 = 4/120 - Subtract the two like fractions:
945/120 - 4/120 = 945 - 4/120 = 941/120 - In mixed form: 7101/120
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 63/8-2/30 63/16-1/30 63/8-1/60 63/8-3/30 63/24-1/30 63/8-1/90 63/8-5/30 63/40-1/30 63/8-7/30 63/56-1/30