Add 40/30 and 18/32
1st number: 1 10/30, 2nd number: 18/32
40/30 + 18/32 is 91/48.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 32 is 480
Next, find the equivalent fraction of both fractional numbers with denominator 480 - For the 1st fraction, since 30 × 16 = 480,
40/30 = 40 × 16/30 × 16 = 640/480 - Likewise, for the 2nd fraction, since 32 × 15 = 480,
18/32 = 18 × 15/32 × 15 = 270/480 - Add the two like fractions:
640/480 + 270/480 = 640 + 270/480 = 910/480 - 910/480 simplified gives 91/48
- So, 40/30 + 18/32 = 91/48
In mixed form: 143/48
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/30+18/32 40/30+36/32 40/60+18/32 40/30+18/64 40/30+54/32 40/90+18/32 40/30+18/96 40/30+90/32