Add 30/80 and 72/64
1st number: 30/80, 2nd number: 1 8/64
30/80 + 72/64 is 3/2.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 80 and 64 is 320
Next, find the equivalent fraction of both fractional numbers with denominator 320 - For the 1st fraction, since 80 × 4 = 320,
30/80 = 30 × 4/80 × 4 = 120/320 - Likewise, for the 2nd fraction, since 64 × 5 = 320,
72/64 = 72 × 5/64 × 5 = 360/320 - Add the two like fractions:
120/320 + 360/320 = 120 + 360/320 = 480/320 - 480/320 simplified gives 3/2
- So, 30/80 + 72/64 = 3/2
In mixed form: 11/2
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