Add 49/15 and 42/45
1st number: 3 4/15, 2nd number: 42/45
49/15 + 42/45 is 21/5.
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,
49/15 = 49 × 3/15 × 3 = 147/45 - Likewise, for the 2nd fraction, since 45 × 1 = 45,
42/45 = 42 × 1/45 × 1 = 42/45 - Add the two like fractions:
147/45 + 42/45 = 147 + 42/45 = 189/45 - 189/45 simplified gives 21/5
- So, 49/15 + 42/45 = 21/5
In mixed form: 41/5
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 98/15+42/45 49/15+84/45 49/30+42/45 49/15+42/90 49/45+42/45 49/75+42/45