Add 75/30 and 27/72
1st number: 2 15/30, 2nd number: 27/72
75/30 + 27/72 is 23/8.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 72 is 360
Next, find the equivalent fraction of both fractional numbers with denominator 360 - For the 1st fraction, since 30 × 12 = 360,
75/30 = 75 × 12/30 × 12 = 900/360 - Likewise, for the 2nd fraction, since 72 × 5 = 360,
27/72 = 27 × 5/72 × 5 = 135/360 - Add the two like fractions:
900/360 + 135/360 = 900 + 135/360 = 1035/360 - 1035/360 simplified gives 23/8
- So, 75/30 + 27/72 = 23/8
In mixed form: 27/8
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 75/30+54/72 75/60+27/72 75/30+81/72 75/90+27/72