Add 8/30 and 45/80
8/30 + 45/80 is 199/240.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 80 is 240
Next, find the equivalent fraction of both fractional numbers with denominator 240 - For the 1st fraction, since 30 × 8 = 240,
8/30 = 8 × 8/30 × 8 = 64/240 - Likewise, for the 2nd fraction, since 80 × 3 = 240,
45/80 = 45 × 3/80 × 3 = 135/240 - Add the two like fractions:
64/240 + 135/240 = 64 + 135/240 = 199/240 - So, 8/30 + 45/80 = 199/240
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 16/30+45/80 8/30+90/80 8/60+45/80 24/30+45/80 8/90+45/80 40/30+45/80 56/30+45/80