Add 98/28 and 2/72
1st number: 3 14/28, 2nd number: 2/72
98/28 + 2/72 is 127/36.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 72 is 504
Next, find the equivalent fraction of both fractional numbers with denominator 504 - For the 1st fraction, since 28 × 18 = 504,
98/28 = 98 × 18/28 × 18 = 1764/504 - Likewise, for the 2nd fraction, since 72 × 7 = 504,
2/72 = 2 × 7/72 × 7 = 14/504 - Add the two like fractions:
1764/504 + 14/504 = 1764 + 14/504 = 1778/504 - 1778/504 simplified gives 127/36
- So, 98/28 + 2/72 = 127/36
In mixed form: 319/36
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 98/28+4/72 98/56+2/72 98/28+6/72 98/84+2/72 98/28+10/72 98/28+14/72