Add 30/28 and 36/5
1st number: 1 2/28, 2nd number: 7 1/5
30/28 + 36/5 is 579/70.
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,
30/28 = 30 × 5/28 × 5 = 150/140 - Likewise, for the 2nd fraction, since 5 × 28 = 140,
36/5 = 36 × 28/5 × 28 = 1008/140 - Add the two like fractions:
150/140 + 1008/140 = 150 + 1008/140 = 1158/140 - 1158/140 simplified gives 579/70
- So, 30/28 + 36/5 = 579/70
In mixed form: 819/70
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/28+36/5 30/28+72/5 30/56+36/5 30/28+36/10 90/28+36/5 30/84+36/5 30/28+36/15 30/28+36/25 30/28+36/35