Add 20/56 and 90/50
1st number: 20/56, 2nd number: 1 40/50
20/56 + 90/50 is 151/70.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 56 and 50 is 1400
Next, find the equivalent fraction of both fractional numbers with denominator 1400 - For the 1st fraction, since 56 × 25 = 1400,
20/56 = 20 × 25/56 × 25 = 500/1400 - Likewise, for the 2nd fraction, since 50 × 28 = 1400,
90/50 = 90 × 28/50 × 28 = 2520/1400 - Add the two like fractions:
500/1400 + 2520/1400 = 500 + 2520/1400 = 3020/1400 - 3020/1400 simplified gives 151/70
- So, 20/56 + 90/50 = 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+90/50 60/56+90/50