Add 4/28 and 25/20
1st number: 4/28, 2nd number: 1 5/20
4/28 + 25/20 is 39/28.
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,
4/28 = 4 × 5/28 × 5 = 20/140 - Likewise, for the 2nd fraction, since 20 × 7 = 140,
25/20 = 25 × 7/20 × 7 = 175/140 - Add the two like fractions:
20/140 + 175/140 = 20 + 175/140 = 195/140 - 195/140 simplified gives 39/28
- So, 4/28 + 25/20 = 39/28
In mixed form: 111/28
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 8/28+25/20 4/28+50/20 4/56+25/20 4/28+25/40 12/28+25/20 4/28+75/20 4/84+25/20 4/28+25/60 20/28+25/20