Add 84/40 and 54/80
1st number: 2 4/40, 2nd number: 54/80
84/40 + 54/80 is 111/40.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 40 and 80 is 80
Next, find the equivalent fraction of both fractional numbers with denominator 80 - For the 1st fraction, since 40 × 2 = 80,
84/40 = 84 × 2/40 × 2 = 168/80 - Likewise, for the 2nd fraction, since 80 × 1 = 80,
54/80 = 54 × 1/80 × 1 = 54/80 - Add the two like fractions:
168/80 + 54/80 = 168 + 54/80 = 222/80 - 222/80 simplified gives 111/40
- So, 84/40 + 54/80 = 111/40
In mixed form: 231/40
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/80+54/80