Add 10/80 and 4/84
10/80 + 4/84 is 29/168.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 80 and 84 is 1680
Next, find the equivalent fraction of both fractional numbers with denominator 1680 - For the 1st fraction, since 80 × 21 = 1680,
10/80 = 10 × 21/80 × 21 = 210/1680 - Likewise, for the 2nd fraction, since 84 × 20 = 1680,
4/84 = 4 × 20/84 × 20 = 80/1680 - Add the two like fractions:
210/1680 + 80/1680 = 210 + 80/1680 = 290/1680 - 290/1680 simplified gives 29/168
- So, 10/80 + 4/84 = 29/168
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 20/80+4/84 10/80+8/84 30/80+4/84 10/80+12/84 50/80+4/84 10/80+20/84 70/80+4/84 10/80+28/84