Add 40/63 and 7/40
40/63 + 7/40 is 2041/2520.
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,
40/63 = 40 × 40/63 × 40 = 1600/2520 - Likewise, for the 2nd fraction, since 40 × 63 = 2520,
7/40 = 7 × 63/40 × 63 = 441/2520 - Add the two like fractions:
1600/2520 + 441/2520 = 1600 + 441/2520 = 2041/2520 - So, 40/63 + 7/40 = 2041/2520
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/63+7/40 40/63+14/40 40/63+7/80 40/63+21/40 40/63+35/40 40/63+49/40