Answers

Add 90/48 and 70/80

1^st number: 1 42/48, 2^nd number: 70/80

90/48 + 70/80 is 11/4.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 48 and 80 is 240
   
   Next, find the equivalent fraction of both fractional numbers with denominator 240
2. For the 1st fraction, since 48 × 5 = 240,
   90/48 = 90 × 5/48 × 5 = 450/240
3. Likewise, for the 2nd fraction, since 80 × 3 = 240,
   70/80 = 70 × 3/80 × 3 = 210/240
4. Add the two like fractions:
   450/240 + 210/240 = 450 + 210/240 = 660/240
5. 660/240 simplified gives 11/4
6. So, 90/48 + 70/80 = 11/4
   In mixed form: 23/4

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