Subtract 18/45 from 8/35
8/35 - 18/45 is -6/35.
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,
8/35 = 8 × 9/35 × 9 = 72/315 - Likewise, for the 2nd fraction, since 45 × 7 = 315,
18/45 = 18 × 7/45 × 7 = 126/315 - Subtract the two like fractions:
72/315 - 126/315 = 72 - 126/315 = -54/315 - After reducing the fraction, the answer is -6/35
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 16/35-18/45 8/35-36/45 8/70-18/45 8/35-18/90 24/35-18/45 8/35-54/45 40/35-18/45 8/35-90/45 56/35-18/45