Add 20/28 and 49/30
1st number: 20/28, 2nd number: 1 19/30
20/28 + 49/30 is 493/210.
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,
20/28 = 20 × 15/28 × 15 = 300/420 - Likewise, for the 2nd fraction, since 30 × 14 = 420,
49/30 = 49 × 14/30 × 14 = 686/420 - Add the two like fractions:
300/420 + 686/420 = 300 + 686/420 = 986/420 - 986/420 simplified gives 493/210
- So, 20/28 + 49/30 = 493/210
In mixed form: 273/210
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 40/28+49/30 20/28+98/30 20/56+49/30 20/28+49/60 60/28+49/30 20/84+49/30 20/28+49/90