Add 4/63 and 8/42
4/63 + 8/42 is 16/63.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 63 and 42 is 126
Next, find the equivalent fraction of both fractional numbers with denominator 126 - For the 1st fraction, since 63 × 2 = 126,
4/63 = 4 × 2/63 × 2 = 8/126 - Likewise, for the 2nd fraction, since 42 × 3 = 126,
8/42 = 8 × 3/42 × 3 = 24/126 - Add the two like fractions:
8/126 + 24/126 = 8 + 24/126 = 32/126 - 32/126 simplified gives 16/63
- So, 4/63 + 8/42 = 16/63
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 8/63+8/42 4/63+16/42 4/63+8/84 12/63+8/42 4/63+24/42 20/63+8/42 4/63+40/42 28/63+8/42 4/63+56/42