Answers

Add 90/80 and 48/60

1^st number: 1 10/80, 2^nd number: 48/60

90/80 + 48/60 is 77/40.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 80 and 60 is 240
   
   Next, find the equivalent fraction of both fractional numbers with denominator 240
2. For the 1st fraction, since 80 × 3 = 240,
   90/80 = 90 × 3/80 × 3 = 270/240
3. Likewise, for the 2nd fraction, since 60 × 4 = 240,
   48/60 = 48 × 4/60 × 4 = 192/240
4. Add the two like fractions:
   270/240 + 192/240 = 270 + 192/240 = 462/240
5. 462/240 simplified gives 77/40
6. So, 90/80 + 48/60 = 77/40
   In mixed form: 137/40

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