Add 32/45 and 20/56
32/45 + 20/56 is 673/630.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 56 is 2520
Next, find the equivalent fraction of both fractional numbers with denominator 2520 - For the 1st fraction, since 45 × 56 = 2520,
32/45 = 32 × 56/45 × 56 = 1792/2520 - Likewise, for the 2nd fraction, since 56 × 45 = 2520,
20/56 = 20 × 45/56 × 45 = 900/2520 - Add the two like fractions:
1792/2520 + 900/2520 = 1792 + 900/2520 = 2692/2520 - 2692/2520 simplified gives 673/630
- So, 32/45 + 20/56 = 673/630
In mixed form: 143/630
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 64/45+20/56 32/45+40/56 32/90+20/56 96/45+20/56 32/45+60/56