Add 54/40 and 15/75
1st number: 1 14/40, 2nd number: 15/75
54/40 + 15/75 is 31/20.
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,
15/75 = 15 × 8/75 × 8 = 120/600 - Add the two like fractions:
810/600 + 120/600 = 810 + 120/600 = 930/600 - 930/600 simplified gives 31/20
- So, 54/40 + 15/75 = 31/20
In mixed form: 111/20
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/40+30/75 54/80+15/75 54/40+45/75