Add 28/30 and 7/4
1st number: 28/30, 2nd number: 1 3/4
28/30 + 7/4 is 161/60.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 4 is 60
Next, find the equivalent fraction of both fractional numbers with denominator 60 - For the 1st fraction, since 30 × 2 = 60,
28/30 = 28 × 2/30 × 2 = 56/60 - Likewise, for the 2nd fraction, since 4 × 15 = 60,
7/4 = 7 × 15/4 × 15 = 105/60 - Add the two like fractions:
56/60 + 105/60 = 56 + 105/60 = 161/60 - So, 28/30 + 7/4 = 161/60
In mixed form: 241/60
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/30+7/4 28/30+14/4 28/60+7/4 28/30+7/8 84/30+7/4 28/30+21/4 28/90+7/4 28/30+7/12 28/30+35/4 28/30+7/20 28/30+49/4 28/30+7/28