Add 70/98 and 12/28
70/98 + 12/28 is 8/7.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 98 and 28 is 196
Next, find the equivalent fraction of both fractional numbers with denominator 196 - For the 1st fraction, since 98 × 2 = 196,
70/98 = 70 × 2/98 × 2 = 140/196 - Likewise, for the 2nd fraction, since 28 × 7 = 196,
12/28 = 12 × 7/28 × 7 = 84/196 - Add the two like fractions:
140/196 + 84/196 = 140 + 84/196 = 224/196 - 224/196 simplified gives 8/7
- So, 70/98 + 12/28 = 8/7
In mixed form: 11/7
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/98+24/28 70/98+12/56 70/98+36/28 70/98+12/84 70/98+60/28 70/98+84/28