Answers

Add 49/28 and 63/40

1^st number: 1 21/28, 2^nd number: 1 23/40

49/28 + 63/40 is 133/40.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 28 and 40 is 280
   
   Next, find the equivalent fraction of both fractional numbers with denominator 280
2. For the 1st fraction, since 28 × 10 = 280,
   49/28 = 49 × 10/28 × 10 = 490/280
3. Likewise, for the 2nd fraction, since 40 × 7 = 280,
   63/40 = 63 × 7/40 × 7 = 441/280
4. Add the two like fractions:
   490/280 + 441/280 = 490 + 441/280 = 931/280
5. 931/280 simplified gives 133/40
6. So, 49/28 + 63/40 = 133/40
   In mixed form: 313/40

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