Add 36/28 and 18/30
1st number: 1 8/28, 2nd number: 18/30
36/28 + 18/30 is 66/35.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 30 is 420
Next, find the equivalent fraction of both fractional numbers with denominator 420 - For the 1st fraction, since 28 × 15 = 420,
36/28 = 36 × 15/28 × 15 = 540/420 - Likewise, for the 2nd fraction, since 30 × 14 = 420,
18/30 = 18 × 14/30 × 14 = 252/420 - Add the two like fractions:
540/420 + 252/420 = 540 + 252/420 = 792/420 - 792/420 simplified gives 66/35
- So, 36/28 + 18/30 = 66/35
In mixed form: 131/35
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 72/28+18/30 36/28+36/30 36/56+18/30 36/28+18/60 36/28+54/30 36/84+18/30 36/28+18/90 36/28+90/30