Add 63/45 and 15/8
1st number: 1 18/45, 2nd number: 1 7/8
63/45 + 15/8 is 131/40.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 8 is 360
Next, find the equivalent fraction of both fractional numbers with denominator 360 - For the 1st fraction, since 45 × 8 = 360,
63/45 = 63 × 8/45 × 8 = 504/360 - Likewise, for the 2nd fraction, since 8 × 45 = 360,
15/8 = 15 × 45/8 × 45 = 675/360 - Add the two like fractions:
504/360 + 675/360 = 504 + 675/360 = 1179/360 - 1179/360 simplified gives 131/40
- So, 63/45 + 15/8 = 131/40
In mixed form: 311/40
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 63/45+30/8 63/90+15/8 63/45+15/16 63/45+45/8 63/45+15/24 63/45+75/8 63/45+15/40 63/45+15/56