Add 72/4 and 40/16
1st number: 18 0/4, 2nd number: 2 8/16
72/4 + 40/16 is 41/2.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 16 is 16
Next, find the equivalent fraction of both fractional numbers with denominator 16 - For the 1st fraction, since 4 × 4 = 16,
72/4 = 72 × 4/4 × 4 = 288/16 - Likewise, for the 2nd fraction, since 16 × 1 = 16,
40/16 = 40 × 1/16 × 1 = 40/16 - Add the two like fractions:
288/16 + 40/16 = 288 + 40/16 = 328/16 - 328/16 simplified gives 41/2
- So, 72/4 + 40/16 = 41/2
In mixed form: 201/2
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 72/4+80/16 72/8+40/16 72/4+40/32 72/12+40/16 72/4+40/48 72/20+40/16 72/4+40/80 72/28+40/16