Add 25/63 and 35/40
25/63 + 35/40 is 641/504.
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,
25/63 = 25 × 40/63 × 40 = 1000/2520 - Likewise, for the 2nd fraction, since 40 × 63 = 2520,
35/40 = 35 × 63/40 × 63 = 2205/2520 - Add the two like fractions:
1000/2520 + 2205/2520 = 1000 + 2205/2520 = 3205/2520 - 3205/2520 simplified gives 641/504
- So, 25/63 + 35/40 = 641/504
In mixed form: 1137/504
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 50/63+35/40 25/63+70/40 25/63+35/80 75/63+35/40