Add 35/54 and 42/40
1st number: 35/54, 2nd number: 1 2/40
35/54 + 42/40 is 917/540.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 54 and 40 is 1080
Next, find the equivalent fraction of both fractional numbers with denominator 1080 - For the 1st fraction, since 54 × 20 = 1080,
35/54 = 35 × 20/54 × 20 = 700/1080 - Likewise, for the 2nd fraction, since 40 × 27 = 1080,
42/40 = 42 × 27/40 × 27 = 1134/1080 - Add the two like fractions:
700/1080 + 1134/1080 = 700 + 1134/1080 = 1834/1080 - 1834/1080 simplified gives 917/540
- So, 35/54 + 42/40 = 917/540
In mixed form: 1377/540
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/54+42/40 35/54+84/40 35/54+42/80