Add 70/50 and 35/72
1st number: 1 20/50, 2nd number: 35/72
70/50 + 35/72 is 679/360.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 50 and 72 is 1800
Next, find the equivalent fraction of both fractional numbers with denominator 1800 - For the 1st fraction, since 50 × 36 = 1800,
70/50 = 70 × 36/50 × 36 = 2520/1800 - Likewise, for the 2nd fraction, since 72 × 25 = 1800,
35/72 = 35 × 25/72 × 25 = 875/1800 - Add the two like fractions:
2520/1800 + 875/1800 = 2520 + 875/1800 = 3395/1800 - 3395/1800 simplified gives 679/360
- So, 70/50 + 35/72 = 679/360
In mixed form: 1319/360
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/50+70/72