Answers

Add 90/28 and 25/60

1^st number: 3 6/28, 2^nd number: 25/60

90/28 + 25/60 is 305/84.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 28 and 60 is 420
   
   Next, find the equivalent fraction of both fractional numbers with denominator 420
2. For the 1st fraction, since 28 × 15 = 420,
   90/28 = 90 × 15/28 × 15 = 1350/420
3. Likewise, for the 2nd fraction, since 60 × 7 = 420,
   25/60 = 25 × 7/60 × 7 = 175/420
4. Add the two like fractions:
   1350/420 + 175/420 = 1350 + 175/420 = 1525/420
5. 1525/420 simplified gives 305/84
6. So, 90/28 + 25/60 = 305/84
   In mixed form: 353/84

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