Add 90/10 and 60/5
1st number: 9 0/10, 2nd number: 12 0/5
90/10 + 60/5 is 21/1.
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,
90/10 = 90 × 1/10 × 1 = 90/10 - Likewise, for the 2nd fraction, since 5 × 2 = 10,
60/5 = 60 × 2/5 × 2 = 120/10 - Add the two like fractions:
90/10 + 120/10 = 90 + 120/10 = 210/10 - 210/10 simplified gives 21/1
- So, 90/10 + 60/5 = 21/1
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/20+60/5 90/10+60/10 90/30+60/5 90/10+60/15 90/50+60/5 90/10+60/25 90/70+60/5 90/10+60/35