Add 36/28 and 30/70
1st number: 1 8/28, 2nd number: 30/70
36/28 + 30/70 is 12/7.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 70 is 140
Next, find the equivalent fraction of both fractional numbers with denominator 140 - For the 1st fraction, since 28 × 5 = 140,
36/28 = 36 × 5/28 × 5 = 180/140 - Likewise, for the 2nd fraction, since 70 × 2 = 140,
30/70 = 30 × 2/70 × 2 = 60/140 - Add the two like fractions:
180/140 + 60/140 = 180 + 60/140 = 240/140 - 240/140 simplified gives 12/7
- So, 36/28 + 30/70 = 12/7
In mixed form: 15/7
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 72/28+30/70 36/28+60/70 36/56+30/70 36/28+90/70 36/84+30/70