Add 63/7 and 12/40
1st number: 9 0/7, 2nd number: 12/40
63/7 + 12/40 is 93/10.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 7 and 40 is 280
Next, find the equivalent fraction of both fractional numbers with denominator 280 - For the 1st fraction, since 7 × 40 = 280,
63/7 = 63 × 40/7 × 40 = 2520/280 - Likewise, for the 2nd fraction, since 40 × 7 = 280,
12/40 = 12 × 7/40 × 7 = 84/280 - Add the two like fractions:
2520/280 + 84/280 = 2520 + 84/280 = 2604/280 - 2604/280 simplified gives 93/10
- So, 63/7 + 12/40 = 93/10
In mixed form: 93/10
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 63/7+24/40 63/14+12/40 63/7+12/80 63/7+36/40 63/21+12/40 63/7+60/40 63/35+12/40 63/7+84/40 63/49+12/40