Add 72/30 and 28/32
1st number: 2 12/30, 2nd number: 28/32
72/30 + 28/32 is 131/40.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 32 is 480
Next, find the equivalent fraction of both fractional numbers with denominator 480 - For the 1st fraction, since 30 × 16 = 480,
72/30 = 72 × 16/30 × 16 = 1152/480 - Likewise, for the 2nd fraction, since 32 × 15 = 480,
28/32 = 28 × 15/32 × 15 = 420/480 - Add the two like fractions:
1152/480 + 420/480 = 1152 + 420/480 = 1572/480 - 1572/480 simplified gives 131/40
- So, 72/30 + 28/32 = 131/40
In mixed form: 311/40
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