Add 9/2 and 90/40
1st number: 4 1/2, 2nd number: 2 10/40
9/2 + 90/40 is 27/4.
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,
9/2 = 9 × 20/2 × 20 = 180/40 - Likewise, for the 2nd fraction, since 40 × 1 = 40,
90/40 = 90 × 1/40 × 1 = 90/40 - Add the two like fractions:
180/40 + 90/40 = 180 + 90/40 = 270/40 - 270/40 simplified gives 27/4
- So, 9/2 + 90/40 = 27/4
In mixed form: 63/4
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 18/2+90/40 9/4+90/40 9/2+90/80 27/2+90/40 9/6+90/40 45/2+90/40 9/10+90/40 63/2+90/40 9/14+90/40