Add 25/8 and 9/45
1st number: 3 1/8, 2nd number: 9/45
25/8 + 9/45 is 133/40.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 8 and 45 is 360
Next, find the equivalent fraction of both fractional numbers with denominator 360 - For the 1st fraction, since 8 × 45 = 360,
25/8 = 25 × 45/8 × 45 = 1125/360 - Likewise, for the 2nd fraction, since 45 × 8 = 360,
9/45 = 9 × 8/45 × 8 = 72/360 - Add the two like fractions:
1125/360 + 72/360 = 1125 + 72/360 = 1197/360 - 1197/360 simplified gives 133/40
- So, 25/8 + 9/45 = 133/40
In mixed form: 313/40
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 50/8+9/45 25/8+18/45 25/16+9/45 25/8+9/90 75/8+9/45 25/8+27/45 25/24+9/45 25/40+9/45 25/8+63/45 25/56+9/45