Add 1/30 and 40/84
1/30 + 40/84 is 107/210.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 84 is 420
Next, find the equivalent fraction of both fractional numbers with denominator 420 - For the 1st fraction, since 30 × 14 = 420,
1/30 = 1 × 14/30 × 14 = 14/420 - Likewise, for the 2nd fraction, since 84 × 5 = 420,
40/84 = 40 × 5/84 × 5 = 200/420 - Add the two like fractions:
14/420 + 200/420 = 14 + 200/420 = 214/420 - 214/420 simplified gives 107/210
- So, 1/30 + 40/84 = 107/210
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 2/30+40/84 1/30+80/84 1/60+40/84 3/30+40/84 1/90+40/84 5/30+40/84 7/30+40/84