Add 49/28 and 18/5
1st number: 1 21/28, 2nd number: 3 3/5
49/28 + 18/5 is 107/20.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 5 is 140
Next, find the equivalent fraction of both fractional numbers with denominator 140 - For the 1st fraction, since 28 × 5 = 140,
49/28 = 49 × 5/28 × 5 = 245/140 - Likewise, for the 2nd fraction, since 5 × 28 = 140,
18/5 = 18 × 28/5 × 28 = 504/140 - Add the two like fractions:
245/140 + 504/140 = 245 + 504/140 = 749/140 - 749/140 simplified gives 107/20
- So, 49/28 + 18/5 = 107/20
In mixed form: 57/20
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 98/28+18/5 49/28+36/5 49/56+18/5 49/28+18/10 49/28+54/5 49/84+18/5 49/28+18/15 49/28+90/5 49/28+18/25 49/28+18/35