Add 40/84 and 1/63
40/84 + 1/63 is 31/63.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 84 and 63 is 252
Next, find the equivalent fraction of both fractional numbers with denominator 252 - For the 1st fraction, since 84 × 3 = 252,
40/84 = 40 × 3/84 × 3 = 120/252 - Likewise, for the 2nd fraction, since 63 × 4 = 252,
1/63 = 1 × 4/63 × 4 = 4/252 - Add the two like fractions:
120/252 + 4/252 = 120 + 4/252 = 124/252 - 124/252 simplified gives 31/63
- So, 40/84 + 1/63 = 31/63
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/84+1/63 40/84+2/63 40/84+3/63 40/84+5/63 40/84+7/63