Add 7/45 and 42/50
7/45 + 42/50 is 224/225.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 50 is 450
Next, find the equivalent fraction of both fractional numbers with denominator 450 - For the 1st fraction, since 45 × 10 = 450,
7/45 = 7 × 10/45 × 10 = 70/450 - Likewise, for the 2nd fraction, since 50 × 9 = 450,
42/50 = 42 × 9/50 × 9 = 378/450 - Add the two like fractions:
70/450 + 378/450 = 70 + 378/450 = 448/450 - 448/450 simplified gives 224/225
- So, 7/45 + 42/50 = 224/225
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 14/45+42/50 7/45+84/50 7/90+42/50 21/45+42/50 35/45+42/50 49/45+42/50