Add 63/28 and 98/30
1st number: 2 7/28, 2nd number: 3 8/30
63/28 + 98/30 is 331/60.
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,
63/28 = 63 × 15/28 × 15 = 945/420 - Likewise, for the 2nd fraction, since 30 × 14 = 420,
98/30 = 98 × 14/30 × 14 = 1372/420 - Add the two like fractions:
945/420 + 1372/420 = 945 + 1372/420 = 2317/420 - 2317/420 simplified gives 331/60
- So, 63/28 + 98/30 = 331/60
In mixed form: 531/60
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 63/56+98/30 63/28+98/60 63/84+98/30 63/28+98/90