Add 4/84 and 1/45
4/84 + 1/45 is 22/315.
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,
4/84 = 4 × 15/84 × 15 = 60/1260 - Likewise, for the 2nd fraction, since 45 × 28 = 1260,
1/45 = 1 × 28/45 × 28 = 28/1260 - Add the two like fractions:
60/1260 + 28/1260 = 60 + 28/1260 = 88/1260 - 88/1260 simplified gives 22/315
- So, 4/84 + 1/45 = 22/315
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 8/84+1/45 4/84+2/45 4/84+1/90 12/84+1/45 4/84+3/45 20/84+1/45 4/84+5/45 28/84+1/45 4/84+7/45