Add 9/72 and 72/30
1st number: 9/72, 2nd number: 2 12/30
9/72 + 72/30 is 101/40.
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,
9/72 = 9 × 5/72 × 5 = 45/360 - Likewise, for the 2nd fraction, since 30 × 12 = 360,
72/30 = 72 × 12/30 × 12 = 864/360 - Add the two like fractions:
45/360 + 864/360 = 45 + 864/360 = 909/360 - 909/360 simplified gives 101/40
- So, 9/72 + 72/30 = 101/40
In mixed form: 221/40
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 18/72+72/30 9/72+72/60 27/72+72/30 9/72+72/90 45/72+72/30 63/72+72/30