Add 54/72 and 8/30
54/72 + 8/30 is 61/60.
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,
8/30 = 8 × 12/30 × 12 = 96/360 - Add the two like fractions:
270/360 + 96/360 = 270 + 96/360 = 366/360 - 366/360 simplified gives 61/60
- So, 54/72 + 8/30 = 61/60
In mixed form: 11/60
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/72+16/30 54/72+8/60 54/72+24/30 54/72+8/90 54/72+40/30 54/72+56/30