Add 10/30 and 60/84
10/30 + 60/84 is 22/21.
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,
10/30 = 10 × 14/30 × 14 = 140/420 - Likewise, for the 2nd fraction, since 84 × 5 = 420,
60/84 = 60 × 5/84 × 5 = 300/420 - Add the two like fractions:
140/420 + 300/420 = 140 + 300/420 = 440/420 - 440/420 simplified gives 22/21
- So, 10/30 + 60/84 = 22/21
In mixed form: 11/21
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 20/30+60/84 10/60+60/84 10/90+60/84 50/30+60/84 70/30+60/84