Add 40/28 and 70/50
1st number: 1 12/28, 2nd number: 1 20/50
40/28 + 70/50 is 99/35.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 50 is 700
Next, find the equivalent fraction of both fractional numbers with denominator 700 - For the 1st fraction, since 28 × 25 = 700,
40/28 = 40 × 25/28 × 25 = 1000/700 - Likewise, for the 2nd fraction, since 50 × 14 = 700,
70/50 = 70 × 14/50 × 14 = 980/700 - Add the two like fractions:
1000/700 + 980/700 = 1000 + 980/700 = 1980/700 - 1980/700 simplified gives 99/35
- So, 40/28 + 70/50 = 99/35
In mixed form: 229/35
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/28+70/50 40/56+70/50 40/84+70/50