Add 90/16 and 20/84
1st number: 5 10/16, 2nd number: 20/84
90/16 + 20/84 is 985/168.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 16 and 84 is 336
Next, find the equivalent fraction of both fractional numbers with denominator 336 - For the 1st fraction, since 16 × 21 = 336,
90/16 = 90 × 21/16 × 21 = 1890/336 - Likewise, for the 2nd fraction, since 84 × 4 = 336,
20/84 = 20 × 4/84 × 4 = 80/336 - Add the two like fractions:
1890/336 + 80/336 = 1890 + 80/336 = 1970/336 - 1970/336 simplified gives 985/168
- So, 90/16 + 20/84 = 985/168
In mixed form: 5145/168
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/16+40/84 90/32+20/84 90/16+60/84 90/48+20/84 90/80+20/84