Add 90/45 and 50/63
1st number: 2 0/45, 2nd number: 50/63
90/45 + 50/63 is 176/63.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 63 is 315
Next, find the equivalent fraction of both fractional numbers with denominator 315 - For the 1st fraction, since 45 × 7 = 315,
90/45 = 90 × 7/45 × 7 = 630/315 - Likewise, for the 2nd fraction, since 63 × 5 = 315,
50/63 = 50 × 5/63 × 5 = 250/315 - Add the two like fractions:
630/315 + 250/315 = 630 + 250/315 = 880/315 - 880/315 simplified gives 176/63
- So, 90/45 + 50/63 = 176/63
In mixed form: 250/63
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: