Add 18/50 and 70/84
18/50 + 70/84 is 179/150.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 50 and 84 is 2100
Next, find the equivalent fraction of both fractional numbers with denominator 2100 - For the 1st fraction, since 50 × 42 = 2100,
18/50 = 18 × 42/50 × 42 = 756/2100 - Likewise, for the 2nd fraction, since 84 × 25 = 2100,
70/84 = 70 × 25/84 × 25 = 1750/2100 - Add the two like fractions:
756/2100 + 1750/2100 = 756 + 1750/2100 = 2506/2100 - 2506/2100 simplified gives 179/150
- So, 18/50 + 70/84 = 179/150
In mixed form: 129/150
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 36/50+70/84 54/50+70/84 90/50+70/84