Add 27/72 and 48/40
1st number: 27/72, 2nd number: 1 8/40
27/72 + 48/40 is 63/40.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 72 and 40 is 360
Next, find the equivalent fraction of both fractional numbers with denominator 360 - For the 1st fraction, since 72 × 5 = 360,
27/72 = 27 × 5/72 × 5 = 135/360 - Likewise, for the 2nd fraction, since 40 × 9 = 360,
48/40 = 48 × 9/40 × 9 = 432/360 - Add the two like fractions:
135/360 + 432/360 = 135 + 432/360 = 567/360 - 567/360 simplified gives 63/40
- So, 27/72 + 48/40 = 63/40
In mixed form: 123/40
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/72+48/40 27/72+96/40 27/72+48/80 81/72+48/40