Add 9/63 and 63/40
1st number: 9/63, 2nd number: 1 23/40
9/63 + 63/40 is 481/280.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 63 and 40 is 2520
Next, find the equivalent fraction of both fractional numbers with denominator 2520 - For the 1st fraction, since 63 × 40 = 2520,
9/63 = 9 × 40/63 × 40 = 360/2520 - Likewise, for the 2nd fraction, since 40 × 63 = 2520,
63/40 = 63 × 63/40 × 63 = 3969/2520 - Add the two like fractions:
360/2520 + 3969/2520 = 360 + 3969/2520 = 4329/2520 - 4329/2520 simplified gives 481/280
- So, 9/63 + 63/40 = 481/280
In mixed form: 1201/280
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 18/63+63/40 9/63+63/80 27/63+63/40 45/63+63/40