Add 20/4 and 50/72
1st number: 5 0/4, 2nd number: 50/72
20/4 + 50/72 is 205/36.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 72 is 72
Next, find the equivalent fraction of both fractional numbers with denominator 72 - For the 1st fraction, since 4 × 18 = 72,
20/4 = 20 × 18/4 × 18 = 360/72 - Likewise, for the 2nd fraction, since 72 × 1 = 72,
50/72 = 50 × 1/72 × 1 = 50/72 - Add the two like fractions:
360/72 + 50/72 = 360 + 50/72 = 410/72 - 410/72 simplified gives 205/36
- So, 20/4 + 50/72 = 205/36
In mixed form: 525/36
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 40/4+50/72 20/8+50/72 60/4+50/72 20/12+50/72 20/28+50/72