Add 15/10 and 90/5
1st number: 1 5/10, 2nd number: 18 0/5
15/10 + 90/5 is 39/2.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 5 is 10
Next, find the equivalent fraction of both fractional numbers with denominator 10 - For the 1st fraction, since 10 × 1 = 10,
15/10 = 15 × 1/10 × 1 = 15/10 - Likewise, for the 2nd fraction, since 5 × 2 = 10,
90/5 = 90 × 2/5 × 2 = 180/10 - Add the two like fractions:
15/10 + 180/10 = 15 + 180/10 = 195/10 - 195/10 simplified gives 39/2
- So, 15/10 + 90/5 = 39/2
In mixed form: 191/2
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 30/10+90/5 15/20+90/5 15/10+90/10 45/10+90/5 15/30+90/5 15/10+90/15 75/10+90/5 15/50+90/5 15/10+90/25 15/70+90/5 15/10+90/35