Add 10/28 and 63/45
1st number: 10/28, 2nd number: 1 18/45
10/28 + 63/45 is 123/70.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 45 is 1260
Next, find the equivalent fraction of both fractional numbers with denominator 1260 - For the 1st fraction, since 28 × 45 = 1260,
10/28 = 10 × 45/28 × 45 = 450/1260 - Likewise, for the 2nd fraction, since 45 × 28 = 1260,
63/45 = 63 × 28/45 × 28 = 1764/1260 - Add the two like fractions:
450/1260 + 1764/1260 = 450 + 1764/1260 = 2214/1260 - 2214/1260 simplified gives 123/70
- So, 10/28 + 63/45 = 123/70
In mixed form: 153/70
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 20/28+63/45 10/56+63/45 10/28+63/90 30/28+63/45 10/84+63/45 50/28+63/45 70/28+63/45