Answers

Add 36/56 and 21/60

36/56 + 21/60 is 139/140.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 56 and 60 is 840
   
   Next, find the equivalent fraction of both fractional numbers with denominator 840
2. For the 1st fraction, since 56 × 15 = 840,
   36/56 = 36 × 15/56 × 15 = 540/840
3. Likewise, for the 2nd fraction, since 60 × 14 = 840,
   21/60 = 21 × 14/60 × 14 = 294/840
4. Add the two like fractions:
   540/840 + 294/840 = 540 + 294/840 = 834/840
5. 834/840 simplified gives 139/140
6. So, 36/56 + 21/60 = 139/140

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