Add 2/30 and 40/63
2/30 + 40/63 is 221/315.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 63 is 630
Next, find the equivalent fraction of both fractional numbers with denominator 630 - For the 1st fraction, since 30 × 21 = 630,
2/30 = 2 × 21/30 × 21 = 42/630 - Likewise, for the 2nd fraction, since 63 × 10 = 630,
40/63 = 40 × 10/63 × 10 = 400/630 - Add the two like fractions:
42/630 + 400/630 = 42 + 400/630 = 442/630 - 442/630 simplified gives 221/315
- So, 2/30 + 40/63 = 221/315
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 4/30+40/63 2/30+80/63 2/60+40/63 6/30+40/63 2/90+40/63 10/30+40/63 14/30+40/63