Add 98/72 and 15/20
1st number: 1 26/72, 2nd number: 15/20
98/72 + 15/20 is 19/9.
Steps for adding fractions
- 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 - For the 1st fraction, since 72 × 5 = 360,
98/72 = 98 × 5/72 × 5 = 490/360 - Likewise, for the 2nd fraction, since 20 × 18 = 360,
15/20 = 15 × 18/20 × 18 = 270/360 - Add the two like fractions:
490/360 + 270/360 = 490 + 270/360 = 760/360 - 760/360 simplified gives 19/9
- So, 98/72 + 15/20 = 19/9
In mixed form: 21/9
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