Add 4/80 and 4/21
4/80 + 4/21 is 101/420.
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,
4/80 = 4 × 21/80 × 21 = 84/1680 - Likewise, for the 2nd fraction, since 21 × 80 = 1680,
4/21 = 4 × 80/21 × 80 = 320/1680 - Add the two like fractions:
84/1680 + 320/1680 = 84 + 320/1680 = 404/1680 - 404/1680 simplified gives 101/420
- So, 4/80 + 4/21 = 101/420
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