Add 4/30 and 63/80
4/30 + 63/80 is 221/240.
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,
4/30 = 4 × 8/30 × 8 = 32/240 - Likewise, for the 2nd fraction, since 80 × 3 = 240,
63/80 = 63 × 3/80 × 3 = 189/240 - Add the two like fractions:
32/240 + 189/240 = 32 + 189/240 = 221/240 - So, 4/30 + 63/80 = 221/240
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 8/30+63/80 4/60+63/80 12/30+63/80 4/90+63/80 20/30+63/80 28/30+63/80