Add 40/63 and 7/9
40/63 + 7/9 is 89/63.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 63 and 9 is 63
Next, find the equivalent fraction of both fractional numbers with denominator 63 - For the 1st fraction, since 63 × 1 = 63,
40/63 = 40 × 1/63 × 1 = 40/63 - Likewise, for the 2nd fraction, since 9 × 7 = 63,
7/9 = 7 × 7/9 × 7 = 49/63 - Add the two like fractions:
40/63 + 49/63 = 40 + 49/63 = 89/63 - So, 40/63 + 7/9 = 89/63
In mixed form: 126/63
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/63+7/9 40/63+14/9 40/63+7/18 40/63+21/9 40/63+7/27 40/63+35/9 40/63+7/45 40/63+49/9 40/63+7/63