Add 28/70 and 90/64
1st number: 28/70, 2nd number: 1 26/64
28/70 + 90/64 is 289/160.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 64 is 2240
Next, find the equivalent fraction of both fractional numbers with denominator 2240 - For the 1st fraction, since 70 × 32 = 2240,
28/70 = 28 × 32/70 × 32 = 896/2240 - Likewise, for the 2nd fraction, since 64 × 35 = 2240,
90/64 = 90 × 35/64 × 35 = 3150/2240 - Add the two like fractions:
896/2240 + 3150/2240 = 896 + 3150/2240 = 4046/2240 - 4046/2240 simplified gives 289/160
- So, 28/70 + 90/64 = 289/160
In mixed form: 1129/160
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