Add 28/16 and 9/40
1st number: 1 12/16, 2nd number: 9/40
28/16 + 9/40 is 79/40.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 16 and 40 is 80
Next, find the equivalent fraction of both fractional numbers with denominator 80 - For the 1st fraction, since 16 × 5 = 80,
28/16 = 28 × 5/16 × 5 = 140/80 - Likewise, for the 2nd fraction, since 40 × 2 = 80,
9/40 = 9 × 2/40 × 2 = 18/80 - Add the two like fractions:
140/80 + 18/80 = 140 + 18/80 = 158/80 - 158/80 simplified gives 79/40
- So, 28/16 + 9/40 = 79/40
In mixed form: 139/40
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