Add 4/72 and 50/30
1st number: 4/72, 2nd number: 1 20/30
4/72 + 50/30 is 31/18.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 72 and 30 is 360
Next, find the equivalent fraction of both fractional numbers with denominator 360 - For the 1st fraction, since 72 × 5 = 360,
4/72 = 4 × 5/72 × 5 = 20/360 - Likewise, for the 2nd fraction, since 30 × 12 = 360,
50/30 = 50 × 12/30 × 12 = 600/360 - Add the two like fractions:
20/360 + 600/360 = 20 + 600/360 = 620/360 - 620/360 simplified gives 31/18
- So, 4/72 + 50/30 = 31/18
In mixed form: 113/18
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 8/72+50/30 4/72+50/60 12/72+50/30 4/72+50/90 20/72+50/30 28/72+50/30