Add 70/50 and 2/90
1st number: 1 20/50, 2nd number: 2/90
70/50 + 2/90 is 64/45.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 50 and 90 is 450
Next, find the equivalent fraction of both fractional numbers with denominator 450 - For the 1st fraction, since 50 × 9 = 450,
70/50 = 70 × 9/50 × 9 = 630/450 - Likewise, for the 2nd fraction, since 90 × 5 = 450,
2/90 = 2 × 5/90 × 5 = 10/450 - Add the two like fractions:
630/450 + 10/450 = 630 + 10/450 = 640/450 - 640/450 simplified gives 64/45
- So, 70/50 + 2/90 = 64/45
In mixed form: 119/45
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/50+4/90 70/50+6/90 70/50+10/90 70/50+14/90