Add 98/28 and 7/40
1st number: 3 14/28, 2nd number: 7/40
98/28 + 7/40 is 147/40.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 40 is 280
Next, find the equivalent fraction of both fractional numbers with denominator 280 - For the 1st fraction, since 28 × 10 = 280,
98/28 = 98 × 10/28 × 10 = 980/280 - Likewise, for the 2nd fraction, since 40 × 7 = 280,
7/40 = 7 × 7/40 × 7 = 49/280 - Add the two like fractions:
980/280 + 49/280 = 980 + 49/280 = 1029/280 - 1029/280 simplified gives 147/40
- So, 98/28 + 7/40 = 147/40
In mixed form: 327/40
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 98/28+14/40 98/56+7/40 98/28+7/80 98/28+21/40 98/84+7/40 98/28+35/40 98/28+49/40