Add 6/28 and 84/40
1st number: 6/28, 2nd number: 2 4/40
6/28 + 84/40 is 81/35.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 40 is 280
Next, find the equivalent fraction of both fractional numbers with denominator 280 - For the 1st fraction, since 28 × 10 = 280,
6/28 = 6 × 10/28 × 10 = 60/280 - Likewise, for the 2nd fraction, since 40 × 7 = 280,
84/40 = 84 × 7/40 × 7 = 588/280 - Add the two like fractions:
60/280 + 588/280 = 60 + 588/280 = 648/280 - 648/280 simplified gives 81/35
- So, 6/28 + 84/40 = 81/35
In mixed form: 211/35
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 12/28+84/40 6/56+84/40 6/28+84/80 18/28+84/40 6/84+84/40 30/28+84/40 42/28+84/40