Add 40/28 and 30/5
1st number: 1 12/28, 2nd number: 6 0/5
40/28 + 30/5 is 52/7.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 5 is 140
Next, find the equivalent fraction of both fractional numbers with denominator 140 - For the 1st fraction, since 28 × 5 = 140,
40/28 = 40 × 5/28 × 5 = 200/140 - Likewise, for the 2nd fraction, since 5 × 28 = 140,
30/5 = 30 × 28/5 × 28 = 840/140 - Add the two like fractions:
200/140 + 840/140 = 200 + 840/140 = 1040/140 - 1040/140 simplified gives 52/7
- So, 40/28 + 30/5 = 52/7
In mixed form: 73/7
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/28+30/5 40/28+60/5 40/56+30/5 40/28+30/10 40/28+90/5 40/84+30/5 40/28+30/15 40/28+30/25 40/28+30/35