Add 15/16 and 90/84
1st number: 15/16, 2nd number: 1 6/84
15/16 + 90/84 is 225/112.
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,
15/16 = 15 × 21/16 × 21 = 315/336 - Likewise, for the 2nd fraction, since 84 × 4 = 336,
90/84 = 90 × 4/84 × 4 = 360/336 - Add the two like fractions:
315/336 + 360/336 = 315 + 360/336 = 675/336 - 675/336 simplified gives 225/112
- So, 15/16 + 90/84 = 225/112
In mixed form: 21/112
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 30/16+90/84 15/32+90/84 45/16+90/84 15/48+90/84 75/16+90/84 15/80+90/84