Add 20/6 and 75/45
1st number: 3 2/6, 2nd number: 1 30/45
20/6 + 75/45 is 5/1.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 6 and 45 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 6 × 15 = 90,
20/6 = 20 × 15/6 × 15 = 300/90 - Likewise, for the 2nd fraction, since 45 × 2 = 90,
75/45 = 75 × 2/45 × 2 = 150/90 - Add the two like fractions:
300/90 + 150/90 = 300 + 150/90 = 450/90 - 450/90 simplified gives 5/1
- So, 20/6 + 75/45 = 5/1
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 40/6+75/45 20/12+75/45 20/6+75/90 60/6+75/45 20/18+75/45 20/30+75/45 20/42+75/45