Answers

Add 90/64 and 40/70

1^st number: 1 26/64, 2^nd number: 40/70

90/64 + 40/70 is 443/224.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 64 and 70 is 2240
   
   Next, find the equivalent fraction of both fractional numbers with denominator 2240
2. For the 1st fraction, since 64 × 35 = 2240,
   90/64 = 90 × 35/64 × 35 = 3150/2240
3. Likewise, for the 2nd fraction, since 70 × 32 = 2240,
   40/70 = 40 × 32/70 × 32 = 1280/2240
4. Add the two like fractions:
   3150/2240 + 1280/2240 = 3150 + 1280/2240 = 4430/2240
5. 4430/2240 simplified gives 443/224
6. So, 90/64 + 40/70 = 443/224
   In mixed form: 1219/224

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