Add 50/90 and 48/42
1st number: 50/90, 2nd number: 1 6/42
50/90 + 48/42 is 107/63.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 90 and 42 is 630
Next, find the equivalent fraction of both fractional numbers with denominator 630 - For the 1st fraction, since 90 × 7 = 630,
50/90 = 50 × 7/90 × 7 = 350/630 - Likewise, for the 2nd fraction, since 42 × 15 = 630,
48/42 = 48 × 15/42 × 15 = 720/630 - Add the two like fractions:
350/630 + 720/630 = 350 + 720/630 = 1070/630 - 1070/630 simplified gives 107/63
- So, 50/90 + 48/42 = 107/63
In mixed form: 144/63
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 50/90+96/42 50/90+48/84