Add 84/32 and 18/30
1st number: 2 20/32, 2nd number: 18/30
84/32 + 18/30 is 129/40.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 32 and 30 is 480
Next, find the equivalent fraction of both fractional numbers with denominator 480 - For the 1st fraction, since 32 × 15 = 480,
84/32 = 84 × 15/32 × 15 = 1260/480 - Likewise, for the 2nd fraction, since 30 × 16 = 480,
18/30 = 18 × 16/30 × 16 = 288/480 - Add the two like fractions:
1260/480 + 288/480 = 1260 + 288/480 = 1548/480 - 1548/480 simplified gives 129/40
- So, 84/32 + 18/30 = 129/40
In mixed form: 39/40
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/32+36/30 84/64+18/30 84/32+18/60 84/32+54/30 84/96+18/30 84/32+18/90 84/32+90/30