Add 63/40 and 3/70
1st number: 1 23/40, 2nd number: 3/70
63/40 + 3/70 is 453/280.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 40 and 70 is 280
Next, find the equivalent fraction of both fractional numbers with denominator 280 - For the 1st fraction, since 40 × 7 = 280,
63/40 = 63 × 7/40 × 7 = 441/280 - Likewise, for the 2nd fraction, since 70 × 4 = 280,
3/70 = 3 × 4/70 × 4 = 12/280 - Add the two like fractions:
441/280 + 12/280 = 441 + 12/280 = 453/280 - So, 63/40 + 3/70 = 453/280
In mixed form: 1173/280
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 63/40+6/70 63/80+3/70 63/40+9/70 63/40+15/70 63/40+21/70