Add 45/4 and 1/84
1st number: 11 1/4, 2nd number: 1/84
45/4 + 1/84 is 473/42.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 84 is 84
Next, find the equivalent fraction of both fractional numbers with denominator 84 - For the 1st fraction, since 4 × 21 = 84,
45/4 = 45 × 21/4 × 21 = 945/84 - Likewise, for the 2nd fraction, since 84 × 1 = 84,
1/84 = 1 × 1/84 × 1 = 1/84 - Add the two like fractions:
945/84 + 1/84 = 945 + 1/84 = 946/84 - 946/84 simplified gives 473/42
- So, 45/4 + 1/84 = 473/42
In mixed form: 1111/42
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/4+1/84 45/4+2/84 45/8+1/84 45/4+3/84 45/12+1/84 45/4+5/84 45/20+1/84 45/4+7/84 45/28+1/84