Add 36/32 and 70/90
1st number: 1 4/32, 2nd number: 70/90
36/32 + 70/90 is 137/72.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 32 and 90 is 1440
Next, find the equivalent fraction of both fractional numbers with denominator 1440 - For the 1st fraction, since 32 × 45 = 1440,
36/32 = 36 × 45/32 × 45 = 1620/1440 - Likewise, for the 2nd fraction, since 90 × 16 = 1440,
70/90 = 70 × 16/90 × 16 = 1120/1440 - Add the two like fractions:
1620/1440 + 1120/1440 = 1620 + 1120/1440 = 2740/1440 - 2740/1440 simplified gives 137/72
- So, 36/32 + 70/90 = 137/72
In mixed form: 165/72
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 72/32+70/90 36/64+70/90 36/96+70/90