Add 54/40 and 72/75
1st number: 1 14/40, 2nd number: 72/75
54/40 + 72/75 is 231/100.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 40 and 75 is 600
Next, find the equivalent fraction of both fractional numbers with denominator 600 - For the 1st fraction, since 40 × 15 = 600,
54/40 = 54 × 15/40 × 15 = 810/600 - Likewise, for the 2nd fraction, since 75 × 8 = 600,
72/75 = 72 × 8/75 × 8 = 576/600 - Add the two like fractions:
810/600 + 576/600 = 810 + 576/600 = 1386/600 - 1386/600 simplified gives 231/100
- So, 54/40 + 72/75 = 231/100
In mixed form: 231/100
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/80+72/75