Add 70/16 and 10/90
1st number: 4 6/16, 2nd number: 10/90
70/16 + 10/90 is 323/72.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 16 and 90 is 720
Next, find the equivalent fraction of both fractional numbers with denominator 720 - For the 1st fraction, since 16 × 45 = 720,
70/16 = 70 × 45/16 × 45 = 3150/720 - Likewise, for the 2nd fraction, since 90 × 8 = 720,
10/90 = 10 × 8/90 × 8 = 80/720 - Add the two like fractions:
3150/720 + 80/720 = 3150 + 80/720 = 3230/720 - 3230/720 simplified gives 323/72
- So, 70/16 + 10/90 = 323/72
In mixed form: 435/72
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/16+20/90 70/32+10/90 70/16+30/90 70/48+10/90 70/16+50/90 70/80+10/90 70/16+70/90