Add 20/28 and 98/7
1st number: 20/28, 2nd number: 14 0/7
20/28 + 98/7 is 103/7.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 7 is 28
Next, find the equivalent fraction of both fractional numbers with denominator 28 - For the 1st fraction, since 28 × 1 = 28,
20/28 = 20 × 1/28 × 1 = 20/28 - Likewise, for the 2nd fraction, since 7 × 4 = 28,
98/7 = 98 × 4/7 × 4 = 392/28 - Add the two like fractions:
20/28 + 392/28 = 20 + 392/28 = 412/28 - 412/28 simplified gives 103/7
- So, 20/28 + 98/7 = 103/7
In mixed form: 145/7
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 40/28+98/7 20/56+98/7 20/28+98/14 60/28+98/7 20/84+98/7 20/28+98/21 20/28+98/35 20/28+98/49