Add 84/14 and 35/40
1st number: 6 0/14, 2nd number: 35/40
84/14 + 35/40 is 55/8.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 14 and 40 is 280
Next, find the equivalent fraction of both fractional numbers with denominator 280 - For the 1st fraction, since 14 × 20 = 280,
84/14 = 84 × 20/14 × 20 = 1680/280 - Likewise, for the 2nd fraction, since 40 × 7 = 280,
35/40 = 35 × 7/40 × 7 = 245/280 - Add the two like fractions:
1680/280 + 245/280 = 1680 + 245/280 = 1925/280 - 1925/280 simplified gives 55/8
- So, 84/14 + 35/40 = 55/8
In mixed form: 67/8
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/14+70/40 84/28+35/40 84/14+35/80 84/42+35/40 84/70+35/40 84/98+35/40