Answers

Add 90/48 and 80/20

1^st number: 1 42/48, 2^nd number: 4 0/20

90/48 + 80/20 is 47/8.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 48 and 20 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 20 × 12 = 240,
   80/20 = 80 × 12/20 × 12 = 960/240
4. Add the two like fractions:
   450/240 + 960/240 = 450 + 960/240 = 1410/240
5. 1410/240 simplified gives 47/8
6. So, 90/48 + 80/20 = 47/8
   In mixed form: 57/8

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