Add 84/90 and 12/32
84/90 + 12/32 is 157/120.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 90 and 32 is 1440
Next, find the equivalent fraction of both fractional numbers with denominator 1440 - For the 1st fraction, since 90 × 16 = 1440,
84/90 = 84 × 16/90 × 16 = 1344/1440 - Likewise, for the 2nd fraction, since 32 × 45 = 1440,
12/32 = 12 × 45/32 × 45 = 540/1440 - Add the two like fractions:
1344/1440 + 540/1440 = 1344 + 540/1440 = 1884/1440 - 1884/1440 simplified gives 157/120
- So, 84/90 + 12/32 = 157/120
In mixed form: 137/120
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/90+24/32 84/90+12/64 84/90+36/32 84/90+12/96 84/90+60/32 84/90+84/32