Add 5/20 and 90/10
1st number: 5/20, 2nd number: 9 0/10
5/20 + 90/10 is 37/4.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 10 is 20
Next, find the equivalent fraction of both fractional numbers with denominator 20 - For the 1st fraction, since 20 × 1 = 20,
5/20 = 5 × 1/20 × 1 = 5/20 - Likewise, for the 2nd fraction, since 10 × 2 = 20,
90/10 = 90 × 2/10 × 2 = 180/20 - Add the two like fractions:
5/20 + 180/20 = 5 + 180/20 = 185/20 - 185/20 simplified gives 37/4
- So, 5/20 + 90/10 = 37/4
In mixed form: 91/4
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 10/20+90/10 5/40+90/10 5/20+90/20 15/20+90/10 5/60+90/10 5/20+90/30 25/20+90/10 5/20+90/50 35/20+90/10 5/20+90/70