Add 54/56 and 32/20
1st number: 54/56, 2nd number: 1 12/20
54/56 + 32/20 is 359/140.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 56 and 20 is 280
Next, find the equivalent fraction of both fractional numbers with denominator 280 - For the 1st fraction, since 56 × 5 = 280,
54/56 = 54 × 5/56 × 5 = 270/280 - Likewise, for the 2nd fraction, since 20 × 14 = 280,
32/20 = 32 × 14/20 × 14 = 448/280 - Add the two like fractions:
270/280 + 448/280 = 270 + 448/280 = 718/280 - 718/280 simplified gives 359/140
- So, 54/56 + 32/20 = 359/140
In mixed form: 279/140
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/56+64/20 54/56+32/40 54/56+96/20 54/56+32/60