Add 49/28 and 1/40
1st number: 1 21/28, 2nd number: 1/40
49/28 + 1/40 is 71/40.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 40 is 280
Next, find the equivalent fraction of both fractional numbers with denominator 280 - For the 1st fraction, since 28 × 10 = 280,
49/28 = 49 × 10/28 × 10 = 490/280 - Likewise, for the 2nd fraction, since 40 × 7 = 280,
1/40 = 1 × 7/40 × 7 = 7/280 - Add the two like fractions:
490/280 + 7/280 = 490 + 7/280 = 497/280 - 497/280 simplified gives 71/40
- So, 49/28 + 1/40 = 71/40
In mixed form: 131/40
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 98/28+1/40 49/28+2/40 49/56+1/40 49/28+1/80 49/28+3/40 49/84+1/40 49/28+5/40 49/28+7/40