Add 20/30 and 45/10
1st number: 20/30, 2nd number: 4 5/10
20/30 + 45/10 is 31/6.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 10 is 30
Next, find the equivalent fraction of both fractional numbers with denominator 30 - For the 1st fraction, since 30 × 1 = 30,
20/30 = 20 × 1/30 × 1 = 20/30 - Likewise, for the 2nd fraction, since 10 × 3 = 30,
45/10 = 45 × 3/10 × 3 = 135/30 - Add the two like fractions:
20/30 + 135/30 = 20 + 135/30 = 155/30 - 155/30 simplified gives 31/6
- So, 20/30 + 45/10 = 31/6
In mixed form: 51/6
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 40/30+45/10 20/30+90/10 20/60+45/10 20/30+45/20 60/30+45/10 20/90+45/10 20/30+45/30 20/30+45/50 20/30+45/70