Add 40/84 and 54/28
1st number: 40/84, 2nd number: 1 26/28
40/84 + 54/28 is 101/42.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 84 and 28 is 84
Next, find the equivalent fraction of both fractional numbers with denominator 84 - For the 1st fraction, since 84 × 1 = 84,
40/84 = 40 × 1/84 × 1 = 40/84 - Likewise, for the 2nd fraction, since 28 × 3 = 84,
54/28 = 54 × 3/28 × 3 = 162/84 - Add the two like fractions:
40/84 + 162/84 = 40 + 162/84 = 202/84 - 202/84 simplified gives 101/42
- So, 40/84 + 54/28 = 101/42
In mixed form: 217/42
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/84+54/28 40/84+54/56 40/84+54/84