Add 10/84 and 4/9
10/84 + 4/9 is 71/126.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 84 and 9 is 252
Next, find the equivalent fraction of both fractional numbers with denominator 252 - For the 1st fraction, since 84 × 3 = 252,
10/84 = 10 × 3/84 × 3 = 30/252 - Likewise, for the 2nd fraction, since 9 × 28 = 252,
4/9 = 4 × 28/9 × 28 = 112/252 - Add the two like fractions:
30/252 + 112/252 = 30 + 112/252 = 142/252 - 142/252 simplified gives 71/126
- So, 10/84 + 4/9 = 71/126
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 20/84+4/9 10/84+8/9 10/84+4/18 30/84+4/9 10/84+12/9 10/84+4/27 50/84+4/9 10/84+20/9 10/84+4/45 70/84+4/9 10/84+28/9 10/84+4/63