Add 1/28 and 4/30
1/28 + 4/30 is 71/420.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 30 is 420
Next, find the equivalent fraction of both fractional numbers with denominator 420 - For the 1st fraction, since 28 × 15 = 420,
1/28 = 1 × 15/28 × 15 = 15/420 - Likewise, for the 2nd fraction, since 30 × 14 = 420,
4/30 = 4 × 14/30 × 14 = 56/420 - Add the two like fractions:
15/420 + 56/420 = 15 + 56/420 = 71/420 - So, 1/28 + 4/30 = 71/420
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 2/28+4/30 1/28+8/30 1/56+4/30 1/28+4/60 3/28+4/30 1/28+12/30 1/84+4/30 1/28+4/90 5/28+4/30 1/28+20/30 7/28+4/30 1/28+28/30