Add 18/84 and 16/30
18/84 + 16/30 is 157/210.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 84 and 30 is 420
Next, find the equivalent fraction of both fractional numbers with denominator 420 - For the 1st fraction, since 84 × 5 = 420,
18/84 = 18 × 5/84 × 5 = 90/420 - Likewise, for the 2nd fraction, since 30 × 14 = 420,
16/30 = 16 × 14/30 × 14 = 224/420 - Add the two like fractions:
90/420 + 224/420 = 90 + 224/420 = 314/420 - 314/420 simplified gives 157/210
- So, 18/84 + 16/30 = 157/210
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 36/84+16/30 18/84+32/30 18/84+16/60 54/84+16/30 18/84+48/30 18/84+16/90 90/84+16/30 18/84+80/30