Add 70/64 and 40/90
1st number: 1 6/64, 2nd number: 40/90
70/64 + 40/90 is 443/288.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 64 and 90 is 2880
Next, find the equivalent fraction of both fractional numbers with denominator 2880 - For the 1st fraction, since 64 × 45 = 2880,
70/64 = 70 × 45/64 × 45 = 3150/2880 - Likewise, for the 2nd fraction, since 90 × 32 = 2880,
40/90 = 40 × 32/90 × 32 = 1280/2880 - Add the two like fractions:
3150/2880 + 1280/2880 = 3150 + 1280/2880 = 4430/2880 - 4430/2880 simplified gives 443/288
- So, 70/64 + 40/90 = 443/288
In mixed form: 1155/288
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