Add 45/72 and 56/7
1st number: 45/72, 2nd number: 8 0/7
45/72 + 56/7 is 69/8.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 72 and 7 is 504
Next, find the equivalent fraction of both fractional numbers with denominator 504 - For the 1st fraction, since 72 × 7 = 504,
45/72 = 45 × 7/72 × 7 = 315/504 - Likewise, for the 2nd fraction, since 7 × 72 = 504,
56/7 = 56 × 72/7 × 72 = 4032/504 - Add the two like fractions:
315/504 + 4032/504 = 315 + 4032/504 = 4347/504 - 4347/504 simplified gives 69/8
- So, 45/72 + 56/7 = 69/8
In mixed form: 85/8
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