Add 90/80 and 64/30
1st number: 1 10/80, 2nd number: 2 4/30
90/80 + 64/30 is 391/120.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 80 and 30 is 240
Next, find the equivalent fraction of both fractional numbers with denominator 240 - For the 1st fraction, since 80 × 3 = 240,
90/80 = 90 × 3/80 × 3 = 270/240 - Likewise, for the 2nd fraction, since 30 × 8 = 240,
64/30 = 64 × 8/30 × 8 = 512/240 - Add the two like fractions:
270/240 + 512/240 = 270 + 512/240 = 782/240 - 782/240 simplified gives 391/120
- So, 90/80 + 64/30 = 391/120
In mixed form: 331/120
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