Add 45/2 and 90/40
1st number: 22 1/2, 2nd number: 2 10/40
45/2 + 90/40 is 99/4.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 2 and 40 is 40
Next, find the equivalent fraction of both fractional numbers with denominator 40 - For the 1st fraction, since 2 × 20 = 40,
45/2 = 45 × 20/2 × 20 = 900/40 - Likewise, for the 2nd fraction, since 40 × 1 = 40,
90/40 = 90 × 1/40 × 1 = 90/40 - Add the two like fractions:
900/40 + 90/40 = 900 + 90/40 = 990/40 - 990/40 simplified gives 99/4
- So, 45/2 + 90/40 = 99/4
In mixed form: 243/4
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/2+90/40 45/4+90/40 45/2+90/80 45/6+90/40 45/10+90/40 45/14+90/40