Add 40/20 and 3/28
1st number: 2 0/20, 2nd number: 3/28
40/20 + 3/28 is 59/28.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 28 is 140
Next, find the equivalent fraction of both fractional numbers with denominator 140 - For the 1st fraction, since 20 × 7 = 140,
40/20 = 40 × 7/20 × 7 = 280/140 - Likewise, for the 2nd fraction, since 28 × 5 = 140,
3/28 = 3 × 5/28 × 5 = 15/140 - Add the two like fractions:
280/140 + 15/140 = 280 + 15/140 = 295/140 - 295/140 simplified gives 59/28
- So, 40/20 + 3/28 = 59/28
In mixed form: 23/28
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/20+3/28 40/20+6/28 40/20+3/56 40/20+9/28 40/60+3/28 40/20+3/84 40/20+15/28 40/20+21/28