Add 70/28 and 30/8
1st number: 2 14/28, 2nd number: 3 6/8
70/28 + 30/8 is 25/4.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 8 is 56
Next, find the equivalent fraction of both fractional numbers with denominator 56 - For the 1st fraction, since 28 × 2 = 56,
70/28 = 70 × 2/28 × 2 = 140/56 - Likewise, for the 2nd fraction, since 8 × 7 = 56,
30/8 = 30 × 7/8 × 7 = 210/56 - Add the two like fractions:
140/56 + 210/56 = 140 + 210/56 = 350/56 - 350/56 simplified gives 25/4
- So, 70/28 + 30/8 = 25/4
In mixed form: 61/4
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/28+60/8 70/56+30/8 70/28+30/16 70/28+90/8 70/84+30/8 70/28+30/24 70/28+30/40 70/28+30/56