Add 10/80 and 90/5
1st number: 10/80, 2nd number: 18 0/5
10/80 + 90/5 is 145/8.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 80 and 5 is 80
Next, find the equivalent fraction of both fractional numbers with denominator 80 - For the 1st fraction, since 80 × 1 = 80,
10/80 = 10 × 1/80 × 1 = 10/80 - Likewise, for the 2nd fraction, since 5 × 16 = 80,
90/5 = 90 × 16/5 × 16 = 1440/80 - Add the two like fractions:
10/80 + 1440/80 = 10 + 1440/80 = 1450/80 - 1450/80 simplified gives 145/8
- So, 10/80 + 90/5 = 145/8
In mixed form: 181/8
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 20/80+90/5 10/80+90/10 30/80+90/5 10/80+90/15 50/80+90/5 10/80+90/25 70/80+90/5 10/80+90/35