Answers

Add 98/70 and 28/45

1^st number: 1 28/70, 2^nd number: 28/45

98/70 + 28/45 is 91/45.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 70 and 45 is 630
   
   Next, find the equivalent fraction of both fractional numbers with denominator 630
2. For the 1st fraction, since 70 × 9 = 630,
   98/70 = 98 × 9/70 × 9 = 882/630
3. Likewise, for the 2nd fraction, since 45 × 14 = 630,
   28/45 = 28 × 14/45 × 14 = 392/630
4. Add the two like fractions:
   882/630 + 392/630 = 882 + 392/630 = 1274/630
5. 1274/630 simplified gives 91/45
6. So, 98/70 + 28/45 = 91/45
   In mixed form: 21/45

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