Add 15/50 and 12/84
15/50 + 12/84 is 31/70.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 50 and 84 is 2100
Next, find the equivalent fraction of both fractional numbers with denominator 2100 - For the 1st fraction, since 50 × 42 = 2100,
15/50 = 15 × 42/50 × 42 = 630/2100 - Likewise, for the 2nd fraction, since 84 × 25 = 2100,
12/84 = 12 × 25/84 × 25 = 300/2100 - Add the two like fractions:
630/2100 + 300/2100 = 630 + 300/2100 = 930/2100 - 930/2100 simplified gives 31/70
- So, 15/50 + 12/84 = 31/70
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 30/50+12/84 15/50+24/84 45/50+12/84 15/50+36/84 75/50+12/84 15/50+60/84