Add 45/15 and 1/45
1st number: 3 0/15, 2nd number: 1/45
45/15 + 1/45 is 136/45.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 45 is 45
Next, find the equivalent fraction of both fractional numbers with denominator 45 - For the 1st fraction, since 15 × 3 = 45,
45/15 = 45 × 3/15 × 3 = 135/45 - Likewise, for the 2nd fraction, since 45 × 1 = 45,
1/45 = 1 × 1/45 × 1 = 1/45 - Add the two like fractions:
135/45 + 1/45 = 135 + 1/45 = 136/45 - So, 45/15 + 1/45 = 136/45
In mixed form: 31/45
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/15+1/45 45/15+2/45 45/30+1/45 45/15+1/90 45/15+3/45 45/15+5/45 45/75+1/45 45/15+7/45