Add 50/54 and 8/42
50/54 + 8/42 is 211/189.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 54 and 42 is 378
Next, find the equivalent fraction of both fractional numbers with denominator 378 - For the 1st fraction, since 54 × 7 = 378,
50/54 = 50 × 7/54 × 7 = 350/378 - Likewise, for the 2nd fraction, since 42 × 9 = 378,
8/42 = 8 × 9/42 × 9 = 72/378 - Add the two like fractions:
350/378 + 72/378 = 350 + 72/378 = 422/378 - 422/378 simplified gives 211/189
- So, 50/54 + 8/42 = 211/189
In mixed form: 122/189
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 50/54+16/42 50/54+8/84 50/54+24/42 50/54+40/42 50/54+56/42