Subtract 18/30 from 49/8
1st number: 6 1/8, 2nd number: 18/30
49/8 - 18/30 is 221/40.
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,
49/8 = 49 × 15/8 × 15 = 735/120 - Likewise, for the 2nd fraction, since 30 × 4 = 120,
18/30 = 18 × 4/30 × 4 = 72/120 - Subtract the two like fractions:
735/120 - 72/120 = 735 - 72/120 = 663/120 - After reducing the fraction, the answer is 221/40
- In mixed form: 521/40
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 98/8-18/30 49/8-36/30 49/16-18/30 49/8-18/60 49/8-54/30 49/24-18/30 49/8-18/90 49/8-90/30 49/40-18/30 49/56-18/30