Answers

Add 70/10 and 90/28

1^st number: 7 0/10, 2^nd number: 3 6/28

70/10 + 90/28 is 143/14.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 10 and 28 is 140
   
   Next, find the equivalent fraction of both fractional numbers with denominator 140
2. For the 1st fraction, since 10 × 14 = 140,
   70/10 = 70 × 14/10 × 14 = 980/140
3. Likewise, for the 2nd fraction, since 28 × 5 = 140,
   90/28 = 90 × 5/28 × 5 = 450/140
4. Add the two like fractions:
   980/140 + 450/140 = 980 + 450/140 = 1430/140
5. 1430/140 simplified gives 143/14
6. So, 70/10 + 90/28 = 143/14
   In mixed form: 103/14

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