Add 4/10 and 8/84
4/10 + 8/84 is 52/105.
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,
4/10 = 4 × 42/10 × 42 = 168/420 - Likewise, for the 2nd fraction, since 84 × 5 = 420,
8/84 = 8 × 5/84 × 5 = 40/420 - Add the two like fractions:
168/420 + 40/420 = 168 + 40/420 = 208/420 - 208/420 simplified gives 52/105
- So, 4/10 + 8/84 = 52/105
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 8/10+8/84 4/10+16/84 4/20+8/84 12/10+8/84 4/10+24/84 4/30+8/84 20/10+8/84 4/10+40/84 4/50+8/84 28/10+8/84 4/10+56/84 4/70+8/84