Add 36/72 and 8/42
36/72 + 8/42 is 29/42.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 72 and 42 is 504
Next, find the equivalent fraction of both fractional numbers with denominator 504 - For the 1st fraction, since 72 × 7 = 504,
36/72 = 36 × 7/72 × 7 = 252/504 - Likewise, for the 2nd fraction, since 42 × 12 = 504,
8/42 = 8 × 12/42 × 12 = 96/504 - Add the two like fractions:
252/504 + 96/504 = 252 + 96/504 = 348/504 - 348/504 simplified gives 29/42
- So, 36/72 + 8/42 = 29/42
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 36/72+16/42 36/72+8/84 36/72+24/42 36/72+40/42 36/72+56/42