Add 72/27 and 54/40
1st number: 2 18/27, 2nd number: 1 14/40
72/27 + 54/40 is 241/60.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 27 and 40 is 1080
Next, find the equivalent fraction of both fractional numbers with denominator 1080 - For the 1st fraction, since 27 × 40 = 1080,
72/27 = 72 × 40/27 × 40 = 2880/1080 - Likewise, for the 2nd fraction, since 40 × 27 = 1080,
54/40 = 54 × 27/40 × 27 = 1458/1080 - Add the two like fractions:
2880/1080 + 1458/1080 = 2880 + 1458/1080 = 4338/1080 - 4338/1080 simplified gives 241/60
- So, 72/27 + 54/40 = 241/60
In mixed form: 41/60
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 72/54+54/40 72/27+54/80 72/81+54/40