Add 84/40 and 27/7
1st number: 2 4/40, 2nd number: 3 6/7
84/40 + 27/7 is 417/70.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 40 and 7 is 280
Next, find the equivalent fraction of both fractional numbers with denominator 280 - For the 1st fraction, since 40 × 7 = 280,
84/40 = 84 × 7/40 × 7 = 588/280 - Likewise, for the 2nd fraction, since 7 × 40 = 280,
27/7 = 27 × 40/7 × 40 = 1080/280 - Add the two like fractions:
588/280 + 1080/280 = 588 + 1080/280 = 1668/280 - 1668/280 simplified gives 417/70
- So, 84/40 + 27/7 = 417/70
In mixed form: 567/70
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/40+54/7 84/80+27/7 84/40+27/14 84/40+81/7 84/40+27/21 84/40+27/35 84/40+27/49