Add 84/10 and 90/4
1st number: 8 4/10, 2nd number: 22 2/4
84/10 + 90/4 is 309/10.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 4 is 20
Next, find the equivalent fraction of both fractional numbers with denominator 20 - For the 1st fraction, since 10 × 2 = 20,
84/10 = 84 × 2/10 × 2 = 168/20 - Likewise, for the 2nd fraction, since 4 × 5 = 20,
90/4 = 90 × 5/4 × 5 = 450/20 - Add the two like fractions:
168/20 + 450/20 = 168 + 450/20 = 618/20 - 618/20 simplified gives 309/10
- So, 84/10 + 90/4 = 309/10
In mixed form: 309/10
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/20+90/4 84/10+90/8 84/30+90/4 84/10+90/12 84/50+90/4 84/10+90/20 84/70+90/4 84/10+90/28