Answers

Add 98/72 and 4/20

1^st number: 1 26/72, 2^nd number: 4/20

98/72 + 4/20 is 281/180.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 72 and 20 is 360
   
   Next, find the equivalent fraction of both fractional numbers with denominator 360
2. For the 1st fraction, since 72 × 5 = 360,
   98/72 = 98 × 5/72 × 5 = 490/360
3. Likewise, for the 2nd fraction, since 20 × 18 = 360,
   4/20 = 4 × 18/20 × 18 = 72/360
4. Add the two like fractions:
   490/360 + 72/360 = 490 + 72/360 = 562/360
5. 562/360 simplified gives 281/180
6. So, 98/72 + 4/20 = 281/180
   In mixed form: 1101/180

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