Add 42/40 and 14/54
1st number: 1 2/40, 2nd number: 14/54
42/40 + 14/54 is 707/540.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 40 and 54 is 1080
Next, find the equivalent fraction of both fractional numbers with denominator 1080 - For the 1st fraction, since 40 × 27 = 1080,
42/40 = 42 × 27/40 × 27 = 1134/1080 - Likewise, for the 2nd fraction, since 54 × 20 = 1080,
14/54 = 14 × 20/54 × 20 = 280/1080 - Add the two like fractions:
1134/1080 + 280/1080 = 1134 + 280/1080 = 1414/1080 - 1414/1080 simplified gives 707/540
- So, 42/40 + 14/54 = 707/540
In mixed form: 1167/540
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/40+14/54 42/40+28/54 42/80+14/54 42/40+42/54 42/40+70/54 42/40+98/54