Add 70/4 and 50/7
1st number: 17 2/4, 2nd number: 7 1/7
70/4 + 50/7 is 345/14.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 7 is 28
Next, find the equivalent fraction of both fractional numbers with denominator 28 - For the 1st fraction, since 4 × 7 = 28,
70/4 = 70 × 7/4 × 7 = 490/28 - Likewise, for the 2nd fraction, since 7 × 4 = 28,
50/7 = 50 × 4/7 × 4 = 200/28 - Add the two like fractions:
490/28 + 200/28 = 490 + 200/28 = 690/28 - 690/28 simplified gives 345/14
- So, 70/4 + 50/7 = 345/14
In mixed form: 249/14
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/8+50/7 70/4+50/14 70/12+50/7 70/4+50/21 70/20+50/7 70/4+50/35 70/28+50/7 70/4+50/49