Add 18/45 and 90/64
1st number: 18/45, 2nd number: 1 26/64
18/45 + 90/64 is 289/160.
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,
18/45 = 18 × 64/45 × 64 = 1152/2880 - Likewise, for the 2nd fraction, since 64 × 45 = 2880,
90/64 = 90 × 45/64 × 45 = 4050/2880 - Add the two like fractions:
1152/2880 + 4050/2880 = 1152 + 4050/2880 = 5202/2880 - 5202/2880 simplified gives 289/160
- So, 18/45 + 90/64 = 289/160
In mixed form: 1129/160
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