Add 2/35 and 21/72
2/35 + 21/72 is 293/840.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 35 and 72 is 2520
Next, find the equivalent fraction of both fractional numbers with denominator 2520 - For the 1st fraction, since 35 × 72 = 2520,
2/35 = 2 × 72/35 × 72 = 144/2520 - Likewise, for the 2nd fraction, since 72 × 35 = 2520,
21/72 = 21 × 35/72 × 35 = 735/2520 - Add the two like fractions:
144/2520 + 735/2520 = 144 + 735/2520 = 879/2520 - 879/2520 simplified gives 293/840
- So, 2/35 + 21/72 = 293/840
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 4/35+21/72 2/35+42/72 2/70+21/72 6/35+21/72 2/35+63/72 10/35+21/72 14/35+21/72