Add 75/70 and 36/80
1st number: 1 5/70, 2nd number: 36/80
75/70 + 36/80 is 213/140.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 80 is 560
Next, find the equivalent fraction of both fractional numbers with denominator 560 - For the 1st fraction, since 70 × 8 = 560,
75/70 = 75 × 8/70 × 8 = 600/560 - Likewise, for the 2nd fraction, since 80 × 7 = 560,
36/80 = 36 × 7/80 × 7 = 252/560 - Add the two like fractions:
600/560 + 252/560 = 600 + 252/560 = 852/560 - 852/560 simplified gives 213/140
- So, 75/70 + 36/80 = 213/140
In mixed form: 173/140
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 75/70+72/80