Add 5/30 and 70/84
5/30 + 70/84 is 1/1.
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,
5/30 = 5 × 14/30 × 14 = 70/420 - Likewise, for the 2nd fraction, since 84 × 5 = 420,
70/84 = 70 × 5/84 × 5 = 350/420 - Add the two like fractions:
70/420 + 350/420 = 70 + 350/420 = 420/420 - 420/420 simplified gives 1/1
- So, 5/30 + 70/84 = 1/1
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 10/30+70/84 5/60+70/84 15/30+70/84 5/90+70/84 25/30+70/84 35/30+70/84