Add 20/40 and 1/63
20/40 + 1/63 is 65/126.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 40 and 63 is 2520
Next, find the equivalent fraction of both fractional numbers with denominator 2520 - For the 1st fraction, since 40 × 63 = 2520,
20/40 = 20 × 63/40 × 63 = 1260/2520 - Likewise, for the 2nd fraction, since 63 × 40 = 2520,
1/63 = 1 × 40/63 × 40 = 40/2520 - Add the two like fractions:
1260/2520 + 40/2520 = 1260 + 40/2520 = 1300/2520 - 1300/2520 simplified gives 65/126
- So, 20/40 + 1/63 = 65/126
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 20/40+2/63 20/80+1/63 60/40+1/63 20/40+3/63 20/40+5/63 20/40+7/63