Add 30/27 and 21/80
1st number: 1 3/27, 2nd number: 21/80
30/27 + 21/80 is 989/720.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 27 and 80 is 2160
Next, find the equivalent fraction of both fractional numbers with denominator 2160 - For the 1st fraction, since 27 × 80 = 2160,
30/27 = 30 × 80/27 × 80 = 2400/2160 - Likewise, for the 2nd fraction, since 80 × 27 = 2160,
21/80 = 21 × 27/80 × 27 = 567/2160 - Add the two like fractions:
2400/2160 + 567/2160 = 2400 + 567/2160 = 2967/2160 - 2967/2160 simplified gives 989/720
- So, 30/27 + 21/80 = 989/720
In mixed form: 1269/720
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