Add 54/2 and 42/80
1st number: 27 0/2, 2nd number: 42/80
54/2 + 42/80 is 1101/40.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 2 and 80 is 80
Next, find the equivalent fraction of both fractional numbers with denominator 80 - For the 1st fraction, since 2 × 40 = 80,
54/2 = 54 × 40/2 × 40 = 2160/80 - Likewise, for the 2nd fraction, since 80 × 1 = 80,
42/80 = 42 × 1/80 × 1 = 42/80 - Add the two like fractions:
2160/80 + 42/80 = 2160 + 42/80 = 2202/80 - 2202/80 simplified gives 1101/40
- So, 54/2 + 42/80 = 1101/40
In mixed form: 2721/40
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/2+84/80 54/4+42/80 54/6+42/80 54/10+42/80 54/14+42/80