Add 40/49 and 4/72
40/49 + 4/72 is 769/882.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 49 and 72 is 3528
Next, find the equivalent fraction of both fractional numbers with denominator 3528 - For the 1st fraction, since 49 × 72 = 3528,
40/49 = 40 × 72/49 × 72 = 2880/3528 - Likewise, for the 2nd fraction, since 72 × 49 = 3528,
4/72 = 4 × 49/72 × 49 = 196/3528 - Add the two like fractions:
2880/3528 + 196/3528 = 2880 + 196/3528 = 3076/3528 - 3076/3528 simplified gives 769/882
- So, 40/49 + 4/72 = 769/882
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/49+4/72 40/49+8/72 40/98+4/72 40/49+12/72 40/49+20/72 40/49+28/72