Add 15/80 and 60/84
15/80 + 60/84 is 101/112.
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,
15/80 = 15 × 21/80 × 21 = 315/1680 - Likewise, for the 2nd fraction, since 84 × 20 = 1680,
60/84 = 60 × 20/84 × 20 = 1200/1680 - Add the two like fractions:
315/1680 + 1200/1680 = 315 + 1200/1680 = 1515/1680 - 1515/1680 simplified gives 101/112
- So, 15/80 + 60/84 = 101/112
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 30/80+60/84 45/80+60/84 75/80+60/84