Add 30/72 and 90/50
1st number: 30/72, 2nd number: 1 40/50
30/72 + 90/50 is 133/60.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 72 and 50 is 1800
Next, find the equivalent fraction of both fractional numbers with denominator 1800 - For the 1st fraction, since 72 × 25 = 1800,
30/72 = 30 × 25/72 × 25 = 750/1800 - Likewise, for the 2nd fraction, since 50 × 36 = 1800,
90/50 = 90 × 36/50 × 36 = 3240/1800 - Add the two like fractions:
750/1800 + 3240/1800 = 750 + 3240/1800 = 3990/1800 - 3990/1800 simplified gives 133/60
- So, 30/72 + 90/50 = 133/60
In mixed form: 213/60
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/72+90/50 90/72+90/50