Add 12/28 and 50/30
1st number: 12/28, 2nd number: 1 20/30
12/28 + 50/30 is 44/21.
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,
12/28 = 12 × 15/28 × 15 = 180/420 - Likewise, for the 2nd fraction, since 30 × 14 = 420,
50/30 = 50 × 14/30 × 14 = 700/420 - Add the two like fractions:
180/420 + 700/420 = 180 + 700/420 = 880/420 - 880/420 simplified gives 44/21
- So, 12/28 + 50/30 = 44/21
In mixed form: 22/21
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 24/28+50/30 12/56+50/30 12/28+50/60 36/28+50/30 12/84+50/30 12/28+50/90 60/28+50/30 84/28+50/30