Subtract 30/8 from 12/35
1st number: 12/35, 2nd number: 3 6/8
12/35 - 30/8 is -477/140.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 35 and 8 is 280
Next, find the equivalent fraction of both fractional numbers with denominator 280 - For the 1st fraction, since 35 × 8 = 280,
12/35 = 12 × 8/35 × 8 = 96/280 - Likewise, for the 2nd fraction, since 8 × 35 = 280,
30/8 = 30 × 35/8 × 35 = 1050/280 - Subtract the two like fractions:
96/280 - 1050/280 = 96 - 1050/280 = -954/280 - After reducing the fraction, the answer is -477/140
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 24/35-30/8 12/35-60/8 12/70-30/8 12/35-30/16 36/35-30/8 12/35-90/8 12/35-30/24 60/35-30/8 12/35-30/40 84/35-30/8 12/35-30/56