Add 50/72 and 60/40
1st number: 50/72, 2nd number: 1 20/40
50/72 + 60/40 is 79/36.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 72 and 40 is 360
Next, find the equivalent fraction of both fractional numbers with denominator 360 - For the 1st fraction, since 72 × 5 = 360,
50/72 = 50 × 5/72 × 5 = 250/360 - Likewise, for the 2nd fraction, since 40 × 9 = 360,
60/40 = 60 × 9/40 × 9 = 540/360 - Add the two like fractions:
250/360 + 540/360 = 250 + 540/360 = 790/360 - 790/360 simplified gives 79/36
- So, 50/72 + 60/40 = 79/36
In mixed form: 27/36
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 50/72+60/80