Add 63/2 and 45/40
1st number: 31 1/2, 2nd number: 1 5/40
63/2 + 45/40 is 261/8.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 2 and 40 is 40
Next, find the equivalent fraction of both fractional numbers with denominator 40 - For the 1st fraction, since 2 × 20 = 40,
63/2 = 63 × 20/2 × 20 = 1260/40 - Likewise, for the 2nd fraction, since 40 × 1 = 40,
45/40 = 45 × 1/40 × 1 = 45/40 - Add the two like fractions:
1260/40 + 45/40 = 1260 + 45/40 = 1305/40 - 1305/40 simplified gives 261/8
- So, 63/2 + 45/40 = 261/8
In mixed form: 325/8
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 63/2+90/40 63/4+45/40 63/2+45/80 63/6+45/40 63/10+45/40 63/14+45/40