Add 18/32 and 45/70
18/32 + 45/70 is 135/112.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 32 and 70 is 1120
Next, find the equivalent fraction of both fractional numbers with denominator 1120 - For the 1st fraction, since 32 × 35 = 1120,
18/32 = 18 × 35/32 × 35 = 630/1120 - Likewise, for the 2nd fraction, since 70 × 16 = 1120,
45/70 = 45 × 16/70 × 16 = 720/1120 - Add the two like fractions:
630/1120 + 720/1120 = 630 + 720/1120 = 1350/1120 - 1350/1120 simplified gives 135/112
- So, 18/32 + 45/70 = 135/112
In mixed form: 123/112
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 36/32+45/70 18/32+90/70 18/64+45/70 54/32+45/70 18/96+45/70 90/32+45/70