Add 18/63 and 3/40
18/63 + 3/40 is 101/280.
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,
18/63 = 18 × 40/63 × 40 = 720/2520 - Likewise, for the 2nd fraction, since 40 × 63 = 2520,
3/40 = 3 × 63/40 × 63 = 189/2520 - Add the two like fractions:
720/2520 + 189/2520 = 720 + 189/2520 = 909/2520 - 909/2520 simplified gives 101/280
- So, 18/63 + 3/40 = 101/280
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 36/63+3/40 18/63+6/40 18/63+3/80 54/63+3/40 18/63+9/40 90/63+3/40 18/63+15/40 18/63+21/40