Add 42/90 and 14/50
42/90 + 14/50 is 56/75.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 90 and 50 is 450
Next, find the equivalent fraction of both fractional numbers with denominator 450 - For the 1st fraction, since 90 × 5 = 450,
42/90 = 42 × 5/90 × 5 = 210/450 - Likewise, for the 2nd fraction, since 50 × 9 = 450,
14/50 = 14 × 9/50 × 9 = 126/450 - Add the two like fractions:
210/450 + 126/450 = 210 + 126/450 = 336/450 - 336/450 simplified gives 56/75
- So, 42/90 + 14/50 = 56/75
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/90+14/50 42/90+28/50 42/90+42/50 42/90+70/50 42/90+98/50