Add 7/49 and 4/72
7/49 + 4/72 is 25/126.
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,
7/49 = 7 × 72/49 × 72 = 504/3528 - Likewise, for the 2nd fraction, since 72 × 49 = 3528,
4/72 = 4 × 49/72 × 49 = 196/3528 - Add the two like fractions:
504/3528 + 196/3528 = 504 + 196/3528 = 700/3528 - 700/3528 simplified gives 25/126
- So, 7/49 + 4/72 = 25/126
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 14/49+4/72 7/49+8/72 7/98+4/72 21/49+4/72 7/49+12/72 35/49+4/72 7/49+20/72 7/49+28/72