Add 16/28 and 8/72
16/28 + 8/72 is 43/63.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 72 is 504
Next, find the equivalent fraction of both fractional numbers with denominator 504 - For the 1st fraction, since 28 × 18 = 504,
16/28 = 16 × 18/28 × 18 = 288/504 - Likewise, for the 2nd fraction, since 72 × 7 = 504,
8/72 = 8 × 7/72 × 7 = 56/504 - Add the two like fractions:
288/504 + 56/504 = 288 + 56/504 = 344/504 - 344/504 simplified gives 43/63
- So, 16/28 + 8/72 = 43/63
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 32/28+8/72 16/28+16/72 16/56+8/72 48/28+8/72 16/28+24/72 16/84+8/72 80/28+8/72 16/28+40/72 16/28+56/72