Answers

Add 54/28 and 3/40

1^st number: 1 26/28, 2^nd number: 3/40

54/28 + 3/40 is 561/280.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 28 and 40 is 280
2. For the 1st fraction, since 28 × 10 = 280,
   54/28 = 54 × 10/28 × 10 = 540/280
3. Likewise, for the 2nd fraction, since 40 × 7 = 280,
   3/40 = 3 × 7/40 × 7 = 21/280
4. Add the two fractions:
   540/280 + 21/280 = 540 + 21/280 = 561/280
5. In mixed form: 21/280

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