Add 84/40 and 27/30
1st number: 2 4/40, 2nd number: 27/30
84/40 + 27/30 is 3/1.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 40 and 30 is 120
Next, find the equivalent fraction of both fractional numbers with denominator 120 - For the 1st fraction, since 40 × 3 = 120,
84/40 = 84 × 3/40 × 3 = 252/120 - Likewise, for the 2nd fraction, since 30 × 4 = 120,
27/30 = 27 × 4/30 × 4 = 108/120 - Add the two like fractions:
252/120 + 108/120 = 252 + 108/120 = 360/120 - 360/120 simplified gives 3/1
- So, 84/40 + 27/30 = 3/1
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/40+54/30 84/80+27/30 84/40+27/60 84/40+81/30 84/40+27/90