Add 63/14 and 18/40
1st number: 4 7/14, 2nd number: 18/40
63/14 + 18/40 is 99/20.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 14 and 40 is 280
Next, find the equivalent fraction of both fractional numbers with denominator 280 - For the 1st fraction, since 14 × 20 = 280,
63/14 = 63 × 20/14 × 20 = 1260/280 - Likewise, for the 2nd fraction, since 40 × 7 = 280,
18/40 = 18 × 7/40 × 7 = 126/280 - Add the two like fractions:
1260/280 + 126/280 = 1260 + 126/280 = 1386/280 - 1386/280 simplified gives 99/20
- So, 63/14 + 18/40 = 99/20
In mixed form: 419/20
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 63/14+36/40 63/28+18/40 63/14+18/80 63/14+54/40 63/42+18/40 63/14+90/40 63/70+18/40 63/98+18/40