Add 7/28 and 70/4
1st number: 7/28, 2nd number: 17 2/4
7/28 + 70/4 is 71/4.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 4 is 28
Next, find the equivalent fraction of both fractional numbers with denominator 28 - For the 1st fraction, since 28 × 1 = 28,
7/28 = 7 × 1/28 × 1 = 7/28 - Likewise, for the 2nd fraction, since 4 × 7 = 28,
70/4 = 70 × 7/4 × 7 = 490/28 - Add the two like fractions:
7/28 + 490/28 = 7 + 490/28 = 497/28 - 497/28 simplified gives 71/4
- So, 7/28 + 70/4 = 71/4
In mixed form: 173/4
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 14/28+70/4 7/56+70/4 7/28+70/8 21/28+70/4 7/84+70/4 7/28+70/12 35/28+70/4 7/28+70/20 49/28+70/4 7/28+70/28