Answers

Add 25/98 and 72/40

1^st number: 25/98, 2^nd number: 1 32/40

25/98 + 72/40 is 1007/490.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 98 and 40 is 1960
   
   Next, find the equivalent fraction of both fractional numbers with denominator 1960
2. For the 1st fraction, since 98 × 20 = 1960,
   25/98 = 25 × 20/98 × 20 = 500/1960
3. Likewise, for the 2nd fraction, since 40 × 49 = 1960,
   72/40 = 72 × 49/40 × 49 = 3528/1960
4. Add the two like fractions:
   500/1960 + 3528/1960 = 500 + 3528/1960 = 4028/1960
5. 4028/1960 simplified gives 1007/490
6. So, 25/98 + 72/40 = 1007/490
   In mixed form: 227/490

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