Subtract 49/45 from 1/84
1st number: 1/84, 2nd number: 1 4/45
1/84 - 49/45 is -1357/1260.
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,
1/84 = 1 × 15/84 × 15 = 15/1260 - Likewise, for the 2nd fraction, since 45 × 28 = 1260,
49/45 = 49 × 28/45 × 28 = 1372/1260 - Subtract the two like fractions:
15/1260 - 1372/1260 = 15 - 1372/1260 = -1357/1260
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 2/84-49/45 1/84-98/45 1/84-49/90 3/84-49/45 5/84-49/45 7/84-49/45