Add 90/45 and 5/10
1st number: 2 0/45, 2nd number: 5/10
90/45 + 5/10 is 5/2.
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,
5/10 = 5 × 9/10 × 9 = 45/90 - Add the two like fractions:
180/90 + 45/90 = 180 + 45/90 = 225/90 - 225/90 simplified gives 5/2
- So, 90/45 + 5/10 = 5/2
In mixed form: 21/2
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/45+5/20 90/45+15/10 90/45+5/30 90/45+25/10 90/45+5/50 90/45+35/10 90/45+5/70