Add 20/36 and 1/70
20/36 + 1/70 is 359/630.
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,
20/36 = 20 × 35/36 × 35 = 700/1260 - Likewise, for the 2nd fraction, since 70 × 18 = 1260,
1/70 = 1 × 18/70 × 18 = 18/1260 - Add the two like fractions:
700/1260 + 18/1260 = 700 + 18/1260 = 718/1260 - 718/1260 simplified gives 359/630
- So, 20/36 + 1/70 = 359/630
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 40/36+1/70 20/36+2/70 20/72+1/70 60/36+1/70 20/36+3/70 20/36+5/70 20/36+7/70