Add 7/10 and 5/84
7/10 + 5/84 is 319/420.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 84 is 420
Next, find the equivalent fraction of both fractional numbers with denominator 420 - For the 1st fraction, since 10 × 42 = 420,
7/10 = 7 × 42/10 × 42 = 294/420 - Likewise, for the 2nd fraction, since 84 × 5 = 420,
5/84 = 5 × 5/84 × 5 = 25/420 - Add the two like fractions:
294/420 + 25/420 = 294 + 25/420 = 319/420 - So, 7/10 + 5/84 = 319/420
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 14/10+5/84 7/10+10/84 7/20+5/84 21/10+5/84 7/10+15/84 7/30+5/84 35/10+5/84 7/10+25/84 7/50+5/84 49/10+5/84 7/10+35/84 7/70+5/84