Add 54/72 and 24/30
54/72 + 24/30 is 31/20.
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,
54/72 = 54 × 5/72 × 5 = 270/360 - Likewise, for the 2nd fraction, since 30 × 12 = 360,
24/30 = 24 × 12/30 × 12 = 288/360 - Add the two like fractions:
270/360 + 288/360 = 270 + 288/360 = 558/360 - 558/360 simplified gives 31/20
- So, 54/72 + 24/30 = 31/20
In mixed form: 111/20
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/72+48/30 54/72+24/60 54/72+72/30 54/72+24/90