Add 63/80 and 4/15
63/80 + 4/15 is 253/240.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 80 and 15 is 240
Next, find the equivalent fraction of both fractional numbers with denominator 240 - For the 1st fraction, since 80 × 3 = 240,
63/80 = 63 × 3/80 × 3 = 189/240 - Likewise, for the 2nd fraction, since 15 × 16 = 240,
4/15 = 4 × 16/15 × 16 = 64/240 - Add the two like fractions:
189/240 + 64/240 = 189 + 64/240 = 253/240 - So, 63/80 + 4/15 = 253/240
In mixed form: 113/240
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 63/80+8/15 63/80+4/30 63/80+12/15 63/80+4/45 63/80+20/15 63/80+4/75 63/80+28/15