Add 10/84 and 25/40
10/84 + 25/40 is 125/168.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 84 and 40 is 840
Next, find the equivalent fraction of both fractional numbers with denominator 840 - For the 1st fraction, since 84 × 10 = 840,
10/84 = 10 × 10/84 × 10 = 100/840 - Likewise, for the 2nd fraction, since 40 × 21 = 840,
25/40 = 25 × 21/40 × 21 = 525/840 - Add the two like fractions:
100/840 + 525/840 = 100 + 525/840 = 625/840 - 625/840 simplified gives 125/168
- So, 10/84 + 25/40 = 125/168
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 20/84+25/40 10/84+50/40 10/84+25/80 30/84+25/40 10/84+75/40 50/84+25/40 70/84+25/40