Add 30/4 and 72/28
1st number: 7 2/4, 2nd number: 2 16/28
30/4 + 72/28 is 141/14.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 28 is 28
Next, find the equivalent fraction of both fractional numbers with denominator 28 - For the 1st fraction, since 4 × 7 = 28,
30/4 = 30 × 7/4 × 7 = 210/28 - Likewise, for the 2nd fraction, since 28 × 1 = 28,
72/28 = 72 × 1/28 × 1 = 72/28 - Add the two like fractions:
210/28 + 72/28 = 210 + 72/28 = 282/28 - 282/28 simplified gives 141/14
- So, 30/4 + 72/28 = 141/14
In mixed form: 101/14
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/4+72/28 30/8+72/28 30/4+72/56 90/4+72/28 30/12+72/28 30/4+72/84 30/20+72/28 30/28+72/28