Add 3/8 and 12/90
3/8 + 12/90 is 61/120.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 8 and 90 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 90 × 4 = 360,
12/90 = 12 × 4/90 × 4 = 48/360 - Add the two like fractions:
135/360 + 48/360 = 135 + 48/360 = 183/360 - 183/360 simplified gives 61/120
- So, 3/8 + 12/90 = 61/120
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 6/8+12/90 3/8+24/90 3/16+12/90 9/8+12/90 3/8+36/90 3/24+12/90 15/8+12/90 3/8+60/90 3/40+12/90 21/8+12/90 3/8+84/90 3/56+12/90