Add 70/28 and 30/3
1st number: 2 14/28, 2nd number: 10 0/3
70/28 + 30/3 is 25/2.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 3 is 84
Next, find the equivalent fraction of both fractional numbers with denominator 84 - For the 1st fraction, since 28 × 3 = 84,
70/28 = 70 × 3/28 × 3 = 210/84 - Likewise, for the 2nd fraction, since 3 × 28 = 84,
30/3 = 30 × 28/3 × 28 = 840/84 - Add the two like fractions:
210/84 + 840/84 = 210 + 840/84 = 1050/84 - 1050/84 simplified gives 25/2
- So, 70/28 + 30/3 = 25/2
In mixed form: 121/2
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/28+60/3 70/56+30/3 70/28+30/6 70/28+90/3 70/84+30/3 70/28+30/9 70/28+30/15 70/28+30/21