Add 70/50 and 90/16
1st number: 1 20/50, 2nd number: 5 10/16
70/50 + 90/16 is 281/40.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 50 and 16 is 400
Next, find the equivalent fraction of both fractional numbers with denominator 400 - For the 1st fraction, since 50 × 8 = 400,
70/50 = 70 × 8/50 × 8 = 560/400 - Likewise, for the 2nd fraction, since 16 × 25 = 400,
90/16 = 90 × 25/16 × 25 = 2250/400 - Add the two like fractions:
560/400 + 2250/400 = 560 + 2250/400 = 2810/400 - 2810/400 simplified gives 281/40
- So, 70/50 + 90/16 = 281/40
In mixed form: 71/40
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/50+90/32 70/50+90/48 70/50+90/80