Add 3/36 and 12/70
3/36 + 12/70 is 107/420.
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,
12/70 = 12 × 18/70 × 18 = 216/1260 - Add the two like fractions:
105/1260 + 216/1260 = 105 + 216/1260 = 321/1260 - 321/1260 simplified gives 107/420
- So, 3/36 + 12/70 = 107/420
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 6/36+12/70 3/36+24/70 3/72+12/70 9/36+12/70 3/36+36/70 15/36+12/70 3/36+60/70 21/36+12/70 3/36+84/70