Add 63/45 and 25/70
1st number: 1 18/45, 2nd number: 25/70
63/45 + 25/70 is 123/70.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 70 is 630
Next, find the equivalent fraction of both fractional numbers with denominator 630 - For the 1st fraction, since 45 × 14 = 630,
63/45 = 63 × 14/45 × 14 = 882/630 - Likewise, for the 2nd fraction, since 70 × 9 = 630,
25/70 = 25 × 9/70 × 9 = 225/630 - Add the two like fractions:
882/630 + 225/630 = 882 + 225/630 = 1107/630 - 1107/630 simplified gives 123/70
- So, 63/45 + 25/70 = 123/70
In mixed form: 153/70
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 63/45+50/70 63/90+25/70 63/45+75/70