Add 84/28 and 60/70
1st number: 3 0/28, 2nd number: 60/70
84/28 + 60/70 is 27/7.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 70 is 140
Next, find the equivalent fraction of both fractional numbers with denominator 140 - For the 1st fraction, since 28 × 5 = 140,
84/28 = 84 × 5/28 × 5 = 420/140 - Likewise, for the 2nd fraction, since 70 × 2 = 140,
60/70 = 60 × 2/70 × 2 = 120/140 - Add the two like fractions:
420/140 + 120/140 = 420 + 120/140 = 540/140 - 540/140 simplified gives 27/7
- So, 84/28 + 60/70 = 27/7
In mixed form: 36/7
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/56+60/70