Add 7/90 and 16/45
7/90 + 16/45 is 13/30.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 90 and 45 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 90 × 1 = 90,
7/90 = 7 × 1/90 × 1 = 7/90 - Likewise, for the 2nd fraction, since 45 × 2 = 90,
16/45 = 16 × 2/45 × 2 = 32/90 - Add the two like fractions:
7/90 + 32/90 = 7 + 32/90 = 39/90 - 39/90 simplified gives 13/30
- So, 7/90 + 16/45 = 13/30
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 14/90+16/45 7/90+32/45 7/90+16/90 21/90+16/45 7/90+48/45 35/90+16/45 7/90+80/45 49/90+16/45