Add 7/30 and 84/28
1st number: 7/30, 2nd number: 3 0/28
7/30 + 84/28 is 97/30.
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,
7/30 = 7 × 14/30 × 14 = 98/420 - Likewise, for the 2nd fraction, since 28 × 15 = 420,
84/28 = 84 × 15/28 × 15 = 1260/420 - Add the two like fractions:
98/420 + 1260/420 = 98 + 1260/420 = 1358/420 - 1358/420 simplified gives 97/30
- So, 7/30 + 84/28 = 97/30
In mixed form: 37/30
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 14/30+84/28 7/60+84/28 7/30+84/56 21/30+84/28 7/90+84/28 35/30+84/28 49/30+84/28