Add 40/63 and 84/40
1st number: 40/63, 2nd number: 2 4/40
40/63 + 84/40 is 1723/630.
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,
84/40 = 84 × 63/40 × 63 = 5292/2520 - Add the two like fractions:
1600/2520 + 5292/2520 = 1600 + 5292/2520 = 6892/2520 - 6892/2520 simplified gives 1723/630
- So, 40/63 + 84/40 = 1723/630
In mixed form: 2463/630
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/63+84/40 40/63+84/80