Answers

Add 90/70 and 30/32

1^st number: 1 20/70, 2^nd number: 30/32

90/70 + 30/32 is 249/112.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 70 and 32 is 1120
   
   Next, find the equivalent fraction of both fractional numbers with denominator 1120
2. For the 1st fraction, since 70 × 16 = 1120,
   90/70 = 90 × 16/70 × 16 = 1440/1120
3. Likewise, for the 2nd fraction, since 32 × 35 = 1120,
   30/32 = 30 × 35/32 × 35 = 1050/1120
4. Add the two like fractions:
   1440/1120 + 1050/1120 = 1440 + 1050/1120 = 2490/1120
5. 2490/1120 simplified gives 249/112
6. So, 90/70 + 30/32 = 249/112
   In mixed form: 225/112

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