Add 4/10 and 84/9
1st number: 4/10, 2nd number: 9 3/9
4/10 + 84/9 is 146/15.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 9 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 10 × 9 = 90,
4/10 = 4 × 9/10 × 9 = 36/90 - Likewise, for the 2nd fraction, since 9 × 10 = 90,
84/9 = 84 × 10/9 × 10 = 840/90 - Add the two like fractions:
36/90 + 840/90 = 36 + 840/90 = 876/90 - 876/90 simplified gives 146/15
- So, 4/10 + 84/9 = 146/15
In mixed form: 911/15
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 8/10+84/9 4/20+84/9 4/10+84/18 12/10+84/9 4/30+84/9 4/10+84/27 20/10+84/9 4/50+84/9 4/10+84/45 28/10+84/9 4/70+84/9 4/10+84/63