Add 60/70 and 81/36
1st number: 60/70, 2nd number: 2 9/36
60/70 + 81/36 is 87/28.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 36 is 1260
Next, find the equivalent fraction of both fractional numbers with denominator 1260 - For the 1st fraction, since 70 × 18 = 1260,
60/70 = 60 × 18/70 × 18 = 1080/1260 - Likewise, for the 2nd fraction, since 36 × 35 = 1260,
81/36 = 81 × 35/36 × 35 = 2835/1260 - Add the two like fractions:
1080/1260 + 2835/1260 = 1080 + 2835/1260 = 3915/1260 - 3915/1260 simplified gives 87/28
- So, 60/70 + 81/36 = 87/28
In mixed form: 33/28
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/70+81/72