Answers

Add 28/70 and 42/60

28/70 + 42/60 is 11/10.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 70 and 60 is 420
   
   Next, find the equivalent fraction of both fractional numbers with denominator 420
2. For the 1st fraction, since 70 × 6 = 420,
   28/70 = 28 × 6/70 × 6 = 168/420
3. Likewise, for the 2nd fraction, since 60 × 7 = 420,
   42/60 = 42 × 7/60 × 7 = 294/420
4. Add the two like fractions:
   168/420 + 294/420 = 168 + 294/420 = 462/420
5. 462/420 simplified gives 11/10
6. So, 28/70 + 42/60 = 11/10
   In mixed form: 11/10

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