Add 75/36 and 72/70
1st number: 2 3/36, 2nd number: 1 2/70
75/36 + 72/70 is 1307/420.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 36 and 70 is 1260
Next, find the equivalent fraction of both fractional numbers with denominator 1260 - For the 1st fraction, since 36 × 35 = 1260,
75/36 = 75 × 35/36 × 35 = 2625/1260 - Likewise, for the 2nd fraction, since 70 × 18 = 1260,
72/70 = 72 × 18/70 × 18 = 1296/1260 - Add the two like fractions:
2625/1260 + 1296/1260 = 2625 + 1296/1260 = 3921/1260 - 3921/1260 simplified gives 1307/420
- So, 75/36 + 72/70 = 1307/420
In mixed form: 347/420
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 75/72+72/70