Add 45/10 and 9/4
1st number: 4 5/10, 2nd number: 2 1/4
45/10 + 9/4 is 27/4.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 4 is 20
Next, find the equivalent fraction of both fractional numbers with denominator 20 - For the 1st fraction, since 10 × 2 = 20,
45/10 = 45 × 2/10 × 2 = 90/20 - Likewise, for the 2nd fraction, since 4 × 5 = 20,
9/4 = 9 × 5/4 × 5 = 45/20 - Add the two like fractions:
90/20 + 45/20 = 90 + 45/20 = 135/20 - 135/20 simplified gives 27/4
- So, 45/10 + 9/4 = 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: 90/10+9/4 45/10+18/4 45/20+9/4 45/10+9/8 45/10+27/4 45/30+9/4 45/10+9/12 45/10+45/4 45/50+9/4 45/10+9/20 45/10+63/4 45/70+9/4 45/10+9/28