Add 4/32 and 12/90
4/32 + 12/90 is 31/120.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 32 and 90 is 1440
Next, find the equivalent fraction of both fractional numbers with denominator 1440 - For the 1st fraction, since 32 × 45 = 1440,
4/32 = 4 × 45/32 × 45 = 180/1440 - Likewise, for the 2nd fraction, since 90 × 16 = 1440,
12/90 = 12 × 16/90 × 16 = 192/1440 - Add the two like fractions:
180/1440 + 192/1440 = 180 + 192/1440 = 372/1440 - 372/1440 simplified gives 31/120
- So, 4/32 + 12/90 = 31/120
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 8/32+12/90 4/32+24/90 4/64+12/90 12/32+12/90 4/32+36/90 4/96+12/90 20/32+12/90 4/32+60/90 28/32+12/90 4/32+84/90