Answers

Add 28/30 and 75/72

1^st number: 28/30, 2^nd number: 1 3/72

28/30 + 75/72 is 79/40.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 30 and 72 is 360
   
   Next, find the equivalent fraction of both fractional numbers with denominator 360
2. For the 1st fraction, since 30 × 12 = 360,
   28/30 = 28 × 12/30 × 12 = 336/360
3. Likewise, for the 2nd fraction, since 72 × 5 = 360,
   75/72 = 75 × 5/72 × 5 = 375/360
4. Add the two like fractions:
   336/360 + 375/360 = 336 + 375/360 = 711/360
5. 711/360 simplified gives 79/40
6. So, 28/30 + 75/72 = 79/40
   In mixed form: 139/40

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