Add 20/45 and 15/32
20/45 + 15/32 is 263/288.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 32 is 1440
Next, find the equivalent fraction of both fractional numbers with denominator 1440 - For the 1st fraction, since 45 × 32 = 1440,
20/45 = 20 × 32/45 × 32 = 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, 20/45 + 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: 40/45+15/32 20/45+30/32 20/90+15/32 20/45+15/64 60/45+15/32 20/45+45/32 20/45+15/96 20/45+75/32