Add 50/28 and 45/70
1st number: 1 22/28, 2nd number: 45/70
50/28 + 45/70 is 17/7.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 70 is 140
Next, find the equivalent fraction of both fractional numbers with denominator 140 - For the 1st fraction, since 28 × 5 = 140,
50/28 = 50 × 5/28 × 5 = 250/140 - Likewise, for the 2nd fraction, since 70 × 2 = 140,
45/70 = 45 × 2/70 × 2 = 90/140 - Add the two like fractions:
250/140 + 90/140 = 250 + 90/140 = 340/140 - 340/140 simplified gives 17/7
- So, 50/28 + 45/70 = 17/7
In mixed form: 23/7
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 50/28+90/70 50/56+45/70 50/84+45/70