Add 7/63 and 8/54
7/63 + 8/54 is 7/27.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 63 and 54 is 378
Next, find the equivalent fraction of both fractional numbers with denominator 378 - For the 1st fraction, since 63 × 6 = 378,
7/63 = 7 × 6/63 × 6 = 42/378 - Likewise, for the 2nd fraction, since 54 × 7 = 378,
8/54 = 8 × 7/54 × 7 = 56/378 - Add the two like fractions:
42/378 + 56/378 = 42 + 56/378 = 98/378 - 98/378 simplified gives 7/27
- So, 7/63 + 8/54 = 7/27
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 14/63+8/54 7/63+16/54 21/63+8/54 7/63+24/54 35/63+8/54 7/63+40/54 49/63+8/54 7/63+56/54