Add 45/36 and 42/7
1st number: 1 9/36, 2nd number: 6 0/7
45/36 + 42/7 is 29/4.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 36 and 7 is 252
Next, find the equivalent fraction of both fractional numbers with denominator 252 - For the 1st fraction, since 36 × 7 = 252,
45/36 = 45 × 7/36 × 7 = 315/252 - Likewise, for the 2nd fraction, since 7 × 36 = 252,
42/7 = 42 × 36/7 × 36 = 1512/252 - Add the two like fractions:
315/252 + 1512/252 = 315 + 1512/252 = 1827/252 - 1827/252 simplified gives 29/4
- So, 45/36 + 42/7 = 29/4
In mixed form: 71/4
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/36+42/7 45/36+84/7 45/72+42/7 45/36+42/14 45/36+42/21 45/36+42/35 45/36+42/49