Add 40/90 and 15/32
40/90 + 15/32 is 263/288.
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,
40/90 = 40 × 16/90 × 16 = 640/1440 - Likewise, for the 2nd fraction, since 32 × 45 = 1440,
15/32 = 15 × 45/32 × 45 = 675/1440 - Add the two like fractions:
640/1440 + 675/1440 = 640 + 675/1440 = 1315/1440 - 1315/1440 simplified gives 263/288
- So, 40/90 + 15/32 = 263/288
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/90+15/32 40/90+30/32 40/90+15/64 40/90+45/32 40/90+15/96 40/90+75/32