Add 30/45 and 8/63
30/45 + 8/63 is 50/63.
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,
30/45 = 30 × 7/45 × 7 = 210/315 - Likewise, for the 2nd fraction, since 63 × 5 = 315,
8/63 = 8 × 5/63 × 5 = 40/315 - Add the two like fractions:
210/315 + 40/315 = 210 + 40/315 = 250/315 - 250/315 simplified gives 50/63
- So, 30/45 + 8/63 = 50/63
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/45+8/63 30/45+16/63 30/90+8/63 90/45+8/63 30/45+24/63 30/45+40/63 30/45+56/63