Add 50/30 and 7/28
1st number: 1 20/30, 2nd number: 7/28
50/30 + 7/28 is 23/12.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 28 is 420
Next, find the equivalent fraction of both fractional numbers with denominator 420 - For the 1st fraction, since 30 × 14 = 420,
50/30 = 50 × 14/30 × 14 = 700/420 - Likewise, for the 2nd fraction, since 28 × 15 = 420,
7/28 = 7 × 15/28 × 15 = 105/420 - Add the two like fractions:
700/420 + 105/420 = 700 + 105/420 = 805/420 - 805/420 simplified gives 23/12
- So, 50/30 + 7/28 = 23/12
In mixed form: 111/12
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 50/30+14/28 50/60+7/28 50/30+7/56 50/30+21/28 50/90+7/28 50/30+7/84 50/30+35/28 50/30+49/28