Add 45/20 and 60/4
1st number: 2 5/20, 2nd number: 15 0/4
45/20 + 60/4 is 69/4.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 4 is 20
Next, find the equivalent fraction of both fractional numbers with denominator 20 - For the 1st fraction, since 20 × 1 = 20,
45/20 = 45 × 1/20 × 1 = 45/20 - Likewise, for the 2nd fraction, since 4 × 5 = 20,
60/4 = 60 × 5/4 × 5 = 300/20 - Add the two like fractions:
45/20 + 300/20 = 45 + 300/20 = 345/20 - 345/20 simplified gives 69/4
- So, 45/20 + 60/4 = 69/4
In mixed form: 171/4
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/20+60/4 45/40+60/4 45/20+60/8 45/60+60/4 45/20+60/12 45/20+60/20 45/20+60/28