Add 1/30 and 9/28
1/30 + 9/28 is 149/420.
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,
1/30 = 1 × 14/30 × 14 = 14/420 - Likewise, for the 2nd fraction, since 28 × 15 = 420,
9/28 = 9 × 15/28 × 15 = 135/420 - Add the two like fractions:
14/420 + 135/420 = 14 + 135/420 = 149/420 - So, 1/30 + 9/28 = 149/420
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 2/30+9/28 1/30+18/28 1/60+9/28 1/30+9/56 3/30+9/28 1/30+27/28 1/90+9/28 1/30+9/84 5/30+9/28 1/30+45/28 7/30+9/28 1/30+63/28