Add 70/45 and 81/64
1st number: 1 25/45, 2nd number: 1 17/64
70/45 + 81/64 is 1625/576.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 64 is 2880
Next, find the equivalent fraction of both fractional numbers with denominator 2880 - For the 1st fraction, since 45 × 64 = 2880,
70/45 = 70 × 64/45 × 64 = 4480/2880 - Likewise, for the 2nd fraction, since 64 × 45 = 2880,
81/64 = 81 × 45/64 × 45 = 3645/2880 - Add the two like fractions:
4480/2880 + 3645/2880 = 4480 + 3645/2880 = 8125/2880 - 8125/2880 simplified gives 1625/576
- So, 70/45 + 81/64 = 1625/576
In mixed form: 2473/576
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