Answers

Add 90/60 and 1/40

1^st number: 1 30/60, 2^nd number: 1/40

90/60 + 1/40 is 61/40.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 60 and 40 is 120
   
   Next, find the equivalent fraction of both fractional numbers with denominator 120
2. For the 1st fraction, since 60 × 2 = 120,
   90/60 = 90 × 2/60 × 2 = 180/120
3. Likewise, for the 2nd fraction, since 40 × 3 = 120,
   1/40 = 1 × 3/40 × 3 = 3/120
4. Add the two like fractions:
   180/120 + 3/120 = 180 + 3/120 = 183/120
5. 183/120 simplified gives 61/40
6. So, 90/60 + 1/40 = 61/40
   In mixed form: 121/40

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