Add 4/40 and 30/63
4/40 + 30/63 is 121/210.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 40 and 63 is 2520
Next, find the equivalent fraction of both fractional numbers with denominator 2520 - For the 1st fraction, since 40 × 63 = 2520,
4/40 = 4 × 63/40 × 63 = 252/2520 - Likewise, for the 2nd fraction, since 63 × 40 = 2520,
30/63 = 30 × 40/63 × 40 = 1200/2520 - Add the two like fractions:
252/2520 + 1200/2520 = 252 + 1200/2520 = 1452/2520 - 1452/2520 simplified gives 121/210
- So, 4/40 + 30/63 = 121/210
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 8/40+30/63 4/40+60/63 4/80+30/63 12/40+30/63 4/40+90/63 20/40+30/63 28/40+30/63