Answers

Add 21/56 and 48/45

1^st number: 21/56, 2^nd number: 1 3/45

21/56 + 48/45 is 173/120.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 56 and 45 is 2520
   
   Next, find the equivalent fraction of both fractional numbers with denominator 2520
2. For the 1st fraction, since 56 × 45 = 2520,
   21/56 = 21 × 45/56 × 45 = 945/2520
3. Likewise, for the 2nd fraction, since 45 × 56 = 2520,
   48/45 = 48 × 56/45 × 56 = 2688/2520
4. Add the two like fractions:
   945/2520 + 2688/2520 = 945 + 2688/2520 = 3633/2520
5. 3633/2520 simplified gives 173/120
6. So, 21/56 + 48/45 = 173/120
   In mixed form: 153/120

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