Add 49/4 and 72/90
1st number: 12 1/4, 2nd number: 72/90
49/4 + 72/90 is 261/20.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 90 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 4 × 45 = 180,
49/4 = 49 × 45/4 × 45 = 2205/180 - Likewise, for the 2nd fraction, since 90 × 2 = 180,
72/90 = 72 × 2/90 × 2 = 144/180 - Add the two like fractions:
2205/180 + 144/180 = 2205 + 144/180 = 2349/180 - 2349/180 simplified gives 261/20
- So, 49/4 + 72/90 = 261/20
In mixed form: 131/20
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