Add 70/90 and 2/16
70/90 + 2/16 is 65/72.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 90 and 16 is 720
Next, find the equivalent fraction of both fractional numbers with denominator 720 - For the 1st fraction, since 90 × 8 = 720,
70/90 = 70 × 8/90 × 8 = 560/720 - Likewise, for the 2nd fraction, since 16 × 45 = 720,
2/16 = 2 × 45/16 × 45 = 90/720 - Add the two like fractions:
560/720 + 90/720 = 560 + 90/720 = 650/720 - 650/720 simplified gives 65/72
- So, 70/90 + 2/16 = 65/72
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/90+4/16 70/90+2/32 70/90+6/16 70/90+2/48 70/90+10/16 70/90+2/80 70/90+14/16