Subtract 1/45 from 12/35
12/35 - 1/45 is 101/315.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 35 and 45 is 315
Next, find the equivalent fraction of both fractional numbers with denominator 315 - For the 1st fraction, since 35 × 9 = 315,
12/35 = 12 × 9/35 × 9 = 108/315 - Likewise, for the 2nd fraction, since 45 × 7 = 315,
1/45 = 1 × 7/45 × 7 = 7/315 - Subtract the two like fractions:
108/315 - 7/315 = 108 - 7/315 = 101/315
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 24/35-1/45 12/35-2/45 12/70-1/45 12/35-1/90 36/35-1/45 12/35-3/45 60/35-1/45 12/35-5/45 84/35-1/45 12/35-7/45