Add 75/28 and 2/20
1st number: 2 19/28, 2nd number: 2/20
75/28 + 2/20 is 389/140.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 20 is 140
Next, find the equivalent fraction of both fractional numbers with denominator 140 - For the 1st fraction, since 28 × 5 = 140,
75/28 = 75 × 5/28 × 5 = 375/140 - Likewise, for the 2nd fraction, since 20 × 7 = 140,
2/20 = 2 × 7/20 × 7 = 14/140 - Add the two like fractions:
375/140 + 14/140 = 375 + 14/140 = 389/140 - So, 75/28 + 2/20 = 389/140
In mixed form: 2109/140
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 75/28+4/20 75/56+2/20 75/28+2/40 75/28+6/20 75/84+2/20 75/28+2/60 75/28+10/20 75/28+14/20