Add 18/45 and 30/49
18/45 + 30/49 is 248/245.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 49 is 2205
Next, find the equivalent fraction of both fractional numbers with denominator 2205 - For the 1st fraction, since 45 × 49 = 2205,
18/45 = 18 × 49/45 × 49 = 882/2205 - Likewise, for the 2nd fraction, since 49 × 45 = 2205,
30/49 = 30 × 45/49 × 45 = 1350/2205 - Add the two like fractions:
882/2205 + 1350/2205 = 882 + 1350/2205 = 2232/2205 - 2232/2205 simplified gives 248/245
- So, 18/45 + 30/49 = 248/245
In mixed form: 13/245
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 36/45+30/49 18/45+60/49 18/90+30/49 18/45+30/98 54/45+30/49 18/45+90/49 90/45+30/49