Add 7/16 and 18/90
7/16 + 18/90 is 51/80.
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,
7/16 = 7 × 45/16 × 45 = 315/720 - Likewise, for the 2nd fraction, since 90 × 8 = 720,
18/90 = 18 × 8/90 × 8 = 144/720 - Add the two like fractions:
315/720 + 144/720 = 315 + 144/720 = 459/720 - 459/720 simplified gives 51/80
- So, 7/16 + 18/90 = 51/80
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 14/16+18/90 7/16+36/90 7/32+18/90 21/16+18/90 7/16+54/90 7/48+18/90 35/16+18/90 7/80+18/90 49/16+18/90