Add 7/4 and 72/30
1st number: 1 3/4, 2nd number: 2 12/30
7/4 + 72/30 is 83/20.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 30 is 60
Next, find the equivalent fraction of both fractional numbers with denominator 60 - For the 1st fraction, since 4 × 15 = 60,
7/4 = 7 × 15/4 × 15 = 105/60 - Likewise, for the 2nd fraction, since 30 × 2 = 60,
72/30 = 72 × 2/30 × 2 = 144/60 - Add the two like fractions:
105/60 + 144/60 = 105 + 144/60 = 249/60 - 249/60 simplified gives 83/20
- So, 7/4 + 72/30 = 83/20
In mixed form: 43/20
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