Answers

Add 1/72 and 63/20

1^st number: 1/72, 2^nd number: 3 3/20

1/72 + 63/20 is 1139/360.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 72 and 20 is 360
2. For the 1st fraction, since 72 × 5 = 360,
   1/72 = 1 × 5/72 × 5 = 5/360
3. Likewise, for the 2nd fraction, since 20 × 18 = 360,
   63/20 = 63 × 18/20 × 18 = 1134/360
4. Add the two fractions:
   5/360 + 1134/360 = 5 + 1134/360 = 1139/360
5. So, 1/72 + 63/20 = 1139/360
   In mixed form: 359/360

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