Add 72/7 and 8/54
1st number: 10 2/7, 2nd number: 8/54
72/7 + 8/54 is 1972/189.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 7 and 54 is 378
Next, find the equivalent fraction of both fractional numbers with denominator 378 - For the 1st fraction, since 7 × 54 = 378,
72/7 = 72 × 54/7 × 54 = 3888/378 - Likewise, for the 2nd fraction, since 54 × 7 = 378,
8/54 = 8 × 7/54 × 7 = 56/378 - Add the two like fractions:
3888/378 + 56/378 = 3888 + 56/378 = 3944/378 - 3944/378 simplified gives 1972/189
- So, 72/7 + 8/54 = 1972/189
In mixed form: 1082/189
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 72/7+16/54 72/14+8/54 72/7+24/54 72/21+8/54 72/7+40/54 72/35+8/54 72/7+56/54 72/49+8/54