Add 63/40 and 70/35
1st number: 1 23/40, 2nd number: 2 0/35
63/40 + 70/35 is 143/40.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 40 and 35 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 35 × 8 = 280,
70/35 = 70 × 8/35 × 8 = 560/280 - Add the two like fractions:
441/280 + 560/280 = 441 + 560/280 = 1001/280 - 1001/280 simplified gives 143/40
- So, 63/40 + 70/35 = 143/40
In mixed form: 323/40
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 63/80+70/35