Add 12/63 and 5/45
12/63 + 5/45 is 19/63.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 63 and 45 is 315
Next, find the equivalent fraction of both fractional numbers with denominator 315 - For the 1st fraction, since 63 × 5 = 315,
12/63 = 12 × 5/63 × 5 = 60/315 - Likewise, for the 2nd fraction, since 45 × 7 = 315,
5/45 = 5 × 7/45 × 7 = 35/315 - Add the two like fractions:
60/315 + 35/315 = 60 + 35/315 = 95/315 - 95/315 simplified gives 19/63
- So, 12/63 + 5/45 = 19/63
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 24/63+5/45 12/63+10/45 12/63+5/90 36/63+5/45 12/63+15/45 60/63+5/45 12/63+25/45 84/63+5/45 12/63+35/45