Add 90/45 and 90/10
1st number: 2 0/45, 2nd number: 9 0/10
90/45 + 90/10 is 11/1.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 10 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 45 × 2 = 90,
90/45 = 90 × 2/45 × 2 = 180/90 - Likewise, for the 2nd fraction, since 10 × 9 = 90,
90/10 = 90 × 9/10 × 9 = 810/90 - Add the two like fractions:
180/90 + 810/90 = 180 + 810/90 = 990/90 - 990/90 simplified gives 11/1
- So, 90/45 + 90/10 = 11/1
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/45+90/20 90/45+90/30 90/45+90/50 90/45+90/70