Add 3/8 and 84/45
1st number: 3/8, 2nd number: 1 39/45
3/8 + 84/45 is 269/120.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 8 and 45 is 360
Next, find the equivalent fraction of both fractional numbers with denominator 360 - For the 1st fraction, since 8 × 45 = 360,
3/8 = 3 × 45/8 × 45 = 135/360 - Likewise, for the 2nd fraction, since 45 × 8 = 360,
84/45 = 84 × 8/45 × 8 = 672/360 - Add the two like fractions:
135/360 + 672/360 = 135 + 672/360 = 807/360 - 807/360 simplified gives 269/120
- So, 3/8 + 84/45 = 269/120
In mixed form: 229/120
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 6/8+84/45 3/16+84/45 3/8+84/90 9/8+84/45 3/24+84/45 15/8+84/45 3/40+84/45 21/8+84/45 3/56+84/45