Add 70/54 and 75/63
1st number: 1 16/54, 2nd number: 1 12/63
70/54 + 75/63 is 470/189.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 54 and 63 is 378
Next, find the equivalent fraction of both fractional numbers with denominator 378 - For the 1st fraction, since 54 × 7 = 378,
70/54 = 70 × 7/54 × 7 = 490/378 - Likewise, for the 2nd fraction, since 63 × 6 = 378,
75/63 = 75 × 6/63 × 6 = 450/378 - Add the two like fractions:
490/378 + 450/378 = 490 + 450/378 = 940/378 - 940/378 simplified gives 470/189
- So, 70/54 + 75/63 = 470/189
In mixed form: 292/189
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: