Add 35/63 and 20/40
35/63 + 20/40 is 19/18.
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,
35/63 = 35 × 40/63 × 40 = 1400/2520 - Likewise, for the 2nd fraction, since 40 × 63 = 2520,
20/40 = 20 × 63/40 × 63 = 1260/2520 - Add the two like fractions:
1400/2520 + 1260/2520 = 1400 + 1260/2520 = 2660/2520 - 2660/2520 simplified gives 19/18
- So, 35/63 + 20/40 = 19/18
In mixed form: 11/18
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/63+20/40 35/63+20/80 35/63+60/40