Answers

Add 72/56 and 42/40

1^st number: 1 16/56, 2^nd number: 1 2/40

72/56 + 42/40 is 327/140.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 56 and 40 is 280
   
   Next, find the equivalent fraction of both fractional numbers with denominator 280
2. For the 1st fraction, since 56 × 5 = 280,
   72/56 = 72 × 5/56 × 5 = 360/280
3. Likewise, for the 2nd fraction, since 40 × 7 = 280,
   42/40 = 42 × 7/40 × 7 = 294/280
4. Add the two like fractions:
   360/280 + 294/280 = 360 + 294/280 = 654/280
5. 654/280 simplified gives 327/140
6. So, 72/56 + 42/40 = 327/140
   In mixed form: 247/140

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