Answers

Add 15/72 and 7/45

15/72 + 7/45 is 131/360.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 72 and 45 is 360
2. For the 1st fraction, since 72 × 5 = 360,
   15/72 = 15 × 5/72 × 5 = 75/360
3. Likewise, for the 2nd fraction, since 45 × 8 = 360,
   7/45 = 7 × 8/45 × 8 = 56/360
4. Add the two fractions:
   75/360 + 56/360 = 75 + 56/360 = 131/360

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