Add 20/56 and 9/5
1st number: 20/56, 2nd number: 1 4/5
20/56 + 9/5 is 151/70.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 56 and 5 is 280
Next, find the equivalent fraction of both fractional numbers with denominator 280 - For the 1st fraction, since 56 × 5 = 280,
20/56 = 20 × 5/56 × 5 = 100/280 - Likewise, for the 2nd fraction, since 5 × 56 = 280,
9/5 = 9 × 56/5 × 56 = 504/280 - Add the two like fractions:
100/280 + 504/280 = 100 + 504/280 = 604/280 - 604/280 simplified gives 151/70
- So, 20/56 + 9/5 = 151/70
In mixed form: 211/70
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 40/56+9/5 20/56+18/5 20/56+9/10 60/56+9/5 20/56+27/5 20/56+9/15 20/56+45/5 20/56+9/25 20/56+63/5 20/56+9/35