Add 18/7 and 25/45
1st number: 2 4/7, 2nd number: 25/45
18/7 + 25/45 is 197/63.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 7 and 45 is 315
Next, find the equivalent fraction of both fractional numbers with denominator 315 - For the 1st fraction, since 7 × 45 = 315,
18/7 = 18 × 45/7 × 45 = 810/315 - Likewise, for the 2nd fraction, since 45 × 7 = 315,
25/45 = 25 × 7/45 × 7 = 175/315 - Add the two like fractions:
810/315 + 175/315 = 810 + 175/315 = 985/315 - 985/315 simplified gives 197/63
- So, 18/7 + 25/45 = 197/63
In mixed form: 38/63
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 36/7+25/45 18/7+50/45 18/14+25/45 18/7+25/90 54/7+25/45 18/7+75/45 18/21+25/45 90/7+25/45 18/35+25/45 18/49+25/45