Answers

Add 63/40 and 84/70

1^st number: 1 23/40, 2^nd number: 1 14/70

63/40 + 84/70 is 111/40.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 40 and 70 is 280
   
   Next, find the equivalent fraction of both fractional numbers with denominator 280
2. For the 1st fraction, since 40 × 7 = 280,
   63/40 = 63 × 7/40 × 7 = 441/280
3. Likewise, for the 2nd fraction, since 70 × 4 = 280,
   84/70 = 84 × 4/70 × 4 = 336/280
4. Add the two like fractions:
   441/280 + 336/280 = 441 + 336/280 = 777/280
5. 777/280 simplified gives 111/40
6. So, 63/40 + 84/70 = 111/40
   In mixed form: 231/40

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