Add 70/10 and 7/28
1st number: 7 0/10, 2nd number: 7/28
70/10 + 7/28 is 29/4.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 28 is 140
Next, find the equivalent fraction of both fractional numbers with denominator 140 - For the 1st fraction, since 10 × 14 = 140,
70/10 = 70 × 14/10 × 14 = 980/140 - Likewise, for the 2nd fraction, since 28 × 5 = 140,
7/28 = 7 × 5/28 × 5 = 35/140 - Add the two like fractions:
980/140 + 35/140 = 980 + 35/140 = 1015/140 - 1015/140 simplified gives 29/4
- So, 70/10 + 7/28 = 29/4
In mixed form: 71/4
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/10+14/28 70/20+7/28 70/10+7/56 70/10+21/28 70/30+7/28 70/10+7/84 70/10+35/28 70/50+7/28 70/10+49/28