Add 45/84 and 4/42
45/84 + 4/42 is 53/84.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 84 and 42 is 84
Next, find the equivalent fraction of both fractional numbers with denominator 84 - For the 1st fraction, since 84 × 1 = 84,
45/84 = 45 × 1/84 × 1 = 45/84 - Likewise, for the 2nd fraction, since 42 × 2 = 84,
4/42 = 4 × 2/42 × 2 = 8/84 - Add the two like fractions:
45/84 + 8/84 = 45 + 8/84 = 53/84 - So, 45/84 + 4/42 = 53/84
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/84+4/42 45/84+8/42 45/84+4/84 45/84+12/42 45/84+20/42 45/84+28/42