Add 49/14 and 18/40
1st number: 3 7/14, 2nd number: 18/40
49/14 + 18/40 is 79/20.
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,
49/14 = 49 × 20/14 × 20 = 980/280 - Likewise, for the 2nd fraction, since 40 × 7 = 280,
18/40 = 18 × 7/40 × 7 = 126/280 - Add the two like fractions:
980/280 + 126/280 = 980 + 126/280 = 1106/280 - 1106/280 simplified gives 79/20
- So, 49/14 + 18/40 = 79/20
In mixed form: 319/20
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 98/14+18/40 49/14+36/40 49/28+18/40 49/14+18/80 49/14+54/40 49/42+18/40 49/14+90/40 49/70+18/40 49/98+18/40