Add 4/49 and 8/72
4/49 + 8/72 is 85/441.
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,
4/49 = 4 × 72/49 × 72 = 288/3528 - Likewise, for the 2nd fraction, since 72 × 49 = 3528,
8/72 = 8 × 49/72 × 49 = 392/3528 - Add the two like fractions:
288/3528 + 392/3528 = 288 + 392/3528 = 680/3528 - 680/3528 simplified gives 85/441
- So, 4/49 + 8/72 = 85/441
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 8/49+8/72 4/49+16/72 4/98+8/72 12/49+8/72 4/49+24/72 20/49+8/72 4/49+40/72 28/49+8/72 4/49+56/72