Add 63/2 and 18/45
1st number: 31 1/2, 2nd number: 18/45
63/2 + 18/45 is 319/10.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 2 and 45 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 2 × 45 = 90,
63/2 = 63 × 45/2 × 45 = 2835/90 - Likewise, for the 2nd fraction, since 45 × 2 = 90,
18/45 = 18 × 2/45 × 2 = 36/90 - Add the two like fractions:
2835/90 + 36/90 = 2835 + 36/90 = 2871/90 - 2871/90 simplified gives 319/10
- So, 63/2 + 18/45 = 319/10
In mixed form: 319/10
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 63/2+36/45 63/4+18/45 63/2+18/90 63/2+54/45 63/6+18/45 63/2+90/45 63/10+18/45 63/14+18/45