Add 10/36 and 42/70
10/36 + 42/70 is 79/90.
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,
10/36 = 10 × 35/36 × 35 = 350/1260 - Likewise, for the 2nd fraction, since 70 × 18 = 1260,
42/70 = 42 × 18/70 × 18 = 756/1260 - Add the two like fractions:
350/1260 + 756/1260 = 350 + 756/1260 = 1106/1260 - 1106/1260 simplified gives 79/90
- So, 10/36 + 42/70 = 79/90
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 20/36+42/70 10/36+84/70 10/72+42/70 30/36+42/70 50/36+42/70 70/36+42/70