Add 30/40 and 72/64
1st number: 30/40, 2nd number: 1 8/64
30/40 + 72/64 is 15/8.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 40 and 64 is 320
Next, find the equivalent fraction of both fractional numbers with denominator 320 - For the 1st fraction, since 40 × 8 = 320,
30/40 = 30 × 8/40 × 8 = 240/320 - Likewise, for the 2nd fraction, since 64 × 5 = 320,
72/64 = 72 × 5/64 × 5 = 360/320 - Add the two like fractions:
240/320 + 360/320 = 240 + 360/320 = 600/320 - 600/320 simplified gives 15/8
- So, 30/40 + 72/64 = 15/8
In mixed form: 17/8
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