Add 3/36 and 42/70
3/36 + 42/70 is 41/60.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 36 and 70 is 1260
Next, find the equivalent fraction of both fractional numbers with denominator 1260 - For the 1st fraction, since 36 × 35 = 1260,
3/36 = 3 × 35/36 × 35 = 105/1260 - Likewise, for the 2nd fraction, since 70 × 18 = 1260,
42/70 = 42 × 18/70 × 18 = 756/1260 - Add the two like fractions:
105/1260 + 756/1260 = 105 + 756/1260 = 861/1260 - 861/1260 simplified gives 41/60
- So, 3/36 + 42/70 = 41/60
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 6/36+42/70 3/36+84/70 3/72+42/70 9/36+42/70 15/36+42/70 21/36+42/70