Add 54/72 and 40/10
1st number: 54/72, 2nd number: 4 0/10
54/72 + 40/10 is 19/4.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 72 and 10 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 10 × 36 = 360,
40/10 = 40 × 36/10 × 36 = 1440/360 - Add the two like fractions:
270/360 + 1440/360 = 270 + 1440/360 = 1710/360 - 1710/360 simplified gives 19/4
- So, 54/72 + 40/10 = 19/4
In mixed form: 43/4
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/72+80/10 54/72+40/20 54/72+40/30 54/72+40/50 54/72+40/70