Subtract 2/45 from 8/84
8/84 - 2/45 is 16/315.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 84 and 45 is 1260
Next, find the equivalent fraction of both fractional numbers with denominator 1260 - For the 1st fraction, since 84 × 15 = 1260,
8/84 = 8 × 15/84 × 15 = 120/1260 - Likewise, for the 2nd fraction, since 45 × 28 = 1260,
2/45 = 2 × 28/45 × 28 = 56/1260 - Subtract the two like fractions:
120/1260 - 56/1260 = 120 - 56/1260 = 64/1260 - After reducing the fraction, the answer is 16/315
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 16/84-2/45 8/84-4/45 8/84-2/90 24/84-2/45 8/84-6/45 40/84-2/45 8/84-10/45 56/84-2/45 8/84-14/45