Add 63/8 and 75/40
1st number: 7 7/8, 2nd number: 1 35/40
63/8 + 75/40 is 39/4.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 8 and 40 is 40
Next, find the equivalent fraction of both fractional numbers with denominator 40 - For the 1st fraction, since 8 × 5 = 40,
63/8 = 63 × 5/8 × 5 = 315/40 - Likewise, for the 2nd fraction, since 40 × 1 = 40,
75/40 = 75 × 1/40 × 1 = 75/40 - Add the two like fractions:
315/40 + 75/40 = 315 + 75/40 = 390/40 - 390/40 simplified gives 39/4
- So, 63/8 + 75/40 = 39/4
In mixed form: 93/4
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 63/16+75/40 63/8+75/80 63/24+75/40 63/40+75/40 63/56+75/40