Add 63/28 and 18/5
1st number: 2 7/28, 2nd number: 3 3/5
63/28 + 18/5 is 117/20.
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,
63/28 = 63 × 5/28 × 5 = 315/140 - Likewise, for the 2nd fraction, since 5 × 28 = 140,
18/5 = 18 × 28/5 × 28 = 504/140 - Add the two like fractions:
315/140 + 504/140 = 315 + 504/140 = 819/140 - 819/140 simplified gives 117/20
- So, 63/28 + 18/5 = 117/20
In mixed form: 517/20
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 63/28+36/5 63/56+18/5 63/28+18/10 63/28+54/5 63/84+18/5 63/28+18/15 63/28+90/5 63/28+18/25 63/28+18/35