Add 84/80 and 54/36
1st number: 1 4/80, 2nd number: 1 18/36
84/80 + 54/36 is 51/20.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 80 and 36 is 720
Next, find the equivalent fraction of both fractional numbers with denominator 720 - For the 1st fraction, since 80 × 9 = 720,
84/80 = 84 × 9/80 × 9 = 756/720 - Likewise, for the 2nd fraction, since 36 × 20 = 720,
54/36 = 54 × 20/36 × 20 = 1080/720 - Add the two like fractions:
756/720 + 1080/720 = 756 + 1080/720 = 1836/720 - 1836/720 simplified gives 51/20
- So, 84/80 + 54/36 = 51/20
In mixed form: 211/20
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/80+54/72