Add 81/15 and 3/80
1st number: 5 6/15, 2nd number: 3/80
81/15 + 3/80 is 87/16.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 80 is 240
Next, find the equivalent fraction of both fractional numbers with denominator 240 - For the 1st fraction, since 15 × 16 = 240,
81/15 = 81 × 16/15 × 16 = 1296/240 - Likewise, for the 2nd fraction, since 80 × 3 = 240,
3/80 = 3 × 3/80 × 3 = 9/240 - Add the two like fractions:
1296/240 + 9/240 = 1296 + 9/240 = 1305/240 - 1305/240 simplified gives 87/16
- So, 81/15 + 3/80 = 87/16
In mixed form: 57/16
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