Add 80/16 and 21/30
1st number: 5 0/16, 2nd number: 21/30
80/16 + 21/30 is 57/10.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 16 and 30 is 240
Next, find the equivalent fraction of both fractional numbers with denominator 240 - For the 1st fraction, since 16 × 15 = 240,
80/16 = 80 × 15/16 × 15 = 1200/240 - Likewise, for the 2nd fraction, since 30 × 8 = 240,
21/30 = 21 × 8/30 × 8 = 168/240 - Add the two like fractions:
1200/240 + 168/240 = 1200 + 168/240 = 1368/240 - 1368/240 simplified gives 57/10
- So, 80/16 + 21/30 = 57/10
In mixed form: 57/10
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