Add 20/24 and 49/70
20/24 + 49/70 is 23/15.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 24 and 70 is 840
Next, find the equivalent fraction of both fractional numbers with denominator 840 - For the 1st fraction, since 24 × 35 = 840,
20/24 = 20 × 35/24 × 35 = 700/840 - Likewise, for the 2nd fraction, since 70 × 12 = 840,
49/70 = 49 × 12/70 × 12 = 588/840 - Add the two like fractions:
700/840 + 588/840 = 700 + 588/840 = 1288/840 - 1288/840 simplified gives 23/15
- So, 20/24 + 49/70 = 23/15
In mixed form: 18/15
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 40/24+49/70 20/24+98/70 20/48+49/70 60/24+49/70 20/72+49/70