Add 75/80 and 70/27
1st number: 75/80, 2nd number: 2 16/27
75/80 + 70/27 is 1525/432.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 80 and 27 is 2160
Next, find the equivalent fraction of both fractional numbers with denominator 2160 - For the 1st fraction, since 80 × 27 = 2160,
75/80 = 75 × 27/80 × 27 = 2025/2160 - Likewise, for the 2nd fraction, since 27 × 80 = 2160,
70/27 = 70 × 80/27 × 80 = 5600/2160 - Add the two like fractions:
2025/2160 + 5600/2160 = 2025 + 5600/2160 = 7625/2160 - 7625/2160 simplified gives 1525/432
- So, 75/80 + 70/27 = 1525/432
In mixed form: 3229/432
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 75/80+70/54 75/80+70/81