Add 1/84 and 2/45
1/84 + 2/45 is 71/1260.
Steps for adding 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,
2/45 = 2 × 28/45 × 28 = 56/1260 - Add the two like fractions:
15/1260 + 56/1260 = 15 + 56/1260 = 71/1260 - So, 1/84 + 2/45 = 71/1260
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 2/84+2/45 1/84+4/45 1/84+2/90 3/84+2/45 1/84+6/45 5/84+2/45 1/84+10/45 7/84+2/45 1/84+14/45