Add 48/80 and 30/21
1st number: 48/80, 2nd number: 1 9/21
48/80 + 30/21 is 71/35.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 80 and 21 is 1680
Next, find the equivalent fraction of both fractional numbers with denominator 1680 - For the 1st fraction, since 80 × 21 = 1680,
48/80 = 48 × 21/80 × 21 = 1008/1680 - Likewise, for the 2nd fraction, since 21 × 80 = 1680,
30/21 = 30 × 80/21 × 80 = 2400/1680 - Add the two like fractions:
1008/1680 + 2400/1680 = 1008 + 2400/1680 = 3408/1680 - 3408/1680 simplified gives 71/35
- So, 48/80 + 30/21 = 71/35
In mixed form: 21/35
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