Add 63/2 and 25/40
1st number: 31 1/2, 2nd number: 25/40
63/2 + 25/40 is 257/8.
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,
25/40 = 25 × 1/40 × 1 = 25/40 - Add the two like fractions:
1260/40 + 25/40 = 1260 + 25/40 = 1285/40 - 1285/40 simplified gives 257/8
- So, 63/2 + 25/40 = 257/8
In mixed form: 321/8
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 63/2+50/40 63/4+25/40 63/2+25/80 63/2+75/40 63/6+25/40 63/10+25/40 63/14+25/40