Add 28/20 and 72/64
1st number: 1 8/20, 2nd number: 1 8/64
28/20 + 72/64 is 101/40.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 64 is 320
Next, find the equivalent fraction of both fractional numbers with denominator 320 - For the 1st fraction, since 20 × 16 = 320,
28/20 = 28 × 16/20 × 16 = 448/320 - Likewise, for the 2nd fraction, since 64 × 5 = 320,
72/64 = 72 × 5/64 × 5 = 360/320 - Add the two like fractions:
448/320 + 360/320 = 448 + 360/320 = 808/320 - 808/320 simplified gives 101/40
- So, 28/20 + 72/64 = 101/40
In mixed form: 221/40
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