Add 3/8 and 72/15
1st number: 3/8, 2nd number: 4 12/15
3/8 + 72/15 is 207/40.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 8 and 15 is 120
Next, find the equivalent fraction of both fractional numbers with denominator 120 - For the 1st fraction, since 8 × 15 = 120,
3/8 = 3 × 15/8 × 15 = 45/120 - Likewise, for the 2nd fraction, since 15 × 8 = 120,
72/15 = 72 × 8/15 × 8 = 576/120 - Add the two like fractions:
45/120 + 576/120 = 45 + 576/120 = 621/120 - 621/120 simplified gives 207/40
- So, 3/8 + 72/15 = 207/40
In mixed form: 57/40
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 6/8+72/15 3/16+72/15 3/8+72/30 9/8+72/15 3/24+72/15 3/8+72/45 15/8+72/15 3/40+72/15 3/8+72/75 21/8+72/15 3/56+72/15