Add 40/63 and 8/70
40/63 + 8/70 is 236/315.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 63 and 70 is 630
Next, find the equivalent fraction of both fractional numbers with denominator 630 - For the 1st fraction, since 63 × 10 = 630,
40/63 = 40 × 10/63 × 10 = 400/630 - Likewise, for the 2nd fraction, since 70 × 9 = 630,
8/70 = 8 × 9/70 × 9 = 72/630 - Add the two like fractions:
400/630 + 72/630 = 400 + 72/630 = 472/630 - 472/630 simplified gives 236/315
- So, 40/63 + 8/70 = 236/315
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/63+8/70 40/63+16/70 40/63+24/70 40/63+40/70 40/63+56/70