Add 30/50 and 4/72
30/50 + 4/72 is 59/90.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 50 and 72 is 1800
Next, find the equivalent fraction of both fractional numbers with denominator 1800 - For the 1st fraction, since 50 × 36 = 1800,
30/50 = 30 × 36/50 × 36 = 1080/1800 - Likewise, for the 2nd fraction, since 72 × 25 = 1800,
4/72 = 4 × 25/72 × 25 = 100/1800 - Add the two like fractions:
1080/1800 + 100/1800 = 1080 + 100/1800 = 1180/1800 - 1180/1800 simplified gives 59/90
- So, 30/50 + 4/72 = 59/90
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/50+4/72 30/50+8/72 90/50+4/72 30/50+12/72 30/50+20/72 30/50+28/72