Add 15/72 and 49/20
1st number: 15/72, 2nd number: 2 9/20
15/72 + 49/20 is 319/120.
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,
15/72 = 15 × 5/72 × 5 = 75/360 - Likewise, for the 2nd fraction, since 20 × 18 = 360,
49/20 = 49 × 18/20 × 18 = 882/360 - Add the two like fractions:
75/360 + 882/360 = 75 + 882/360 = 957/360 - 957/360 simplified gives 319/120
- So, 15/72 + 49/20 = 319/120
In mixed form: 279/120
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