Add 7/84 and 3/10
7/84 + 3/10 is 23/60.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 84 and 10 is 420
Next, find the equivalent fraction of both fractional numbers with denominator 420 - For the 1st fraction, since 84 × 5 = 420,
7/84 = 7 × 5/84 × 5 = 35/420 - Likewise, for the 2nd fraction, since 10 × 42 = 420,
3/10 = 3 × 42/10 × 42 = 126/420 - Add the two like fractions:
35/420 + 126/420 = 35 + 126/420 = 161/420 - 161/420 simplified gives 23/60
- So, 7/84 + 3/10 = 23/60
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 14/84+3/10 7/84+6/10 7/84+3/20 21/84+3/10 7/84+9/10 7/84+3/30 35/84+3/10 7/84+15/10 7/84+3/50 49/84+3/10 7/84+21/10 7/84+3/70