Add 42/50 and 8/9
42/50 + 8/9 is 389/225.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 50 and 9 is 450
Next, find the equivalent fraction of both fractional numbers with denominator 450 - For the 1st fraction, since 50 × 9 = 450,
42/50 = 42 × 9/50 × 9 = 378/450 - Likewise, for the 2nd fraction, since 9 × 50 = 450,
8/9 = 8 × 50/9 × 50 = 400/450 - Add the two like fractions:
378/450 + 400/450 = 378 + 400/450 = 778/450 - 778/450 simplified gives 389/225
- So, 42/50 + 8/9 = 389/225
In mixed form: 1164/225
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/50+8/9 42/50+16/9 42/50+8/18 42/50+24/9 42/50+8/27 42/50+40/9 42/50+8/45 42/50+56/9 42/50+8/63