Add 70/50 and 75/28
1st number: 1 20/50, 2nd number: 2 19/28
70/50 + 75/28 is 571/140.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 50 and 28 is 700
Next, find the equivalent fraction of both fractional numbers with denominator 700 - For the 1st fraction, since 50 × 14 = 700,
70/50 = 70 × 14/50 × 14 = 980/700 - Likewise, for the 2nd fraction, since 28 × 25 = 700,
75/28 = 75 × 25/28 × 25 = 1875/700 - Add the two like fractions:
980/700 + 1875/700 = 980 + 1875/700 = 2855/700 - 2855/700 simplified gives 571/140
- So, 70/50 + 75/28 = 571/140
In mixed form: 411/140
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/50+75/56 70/50+75/84