Add 25/80 and 70/84
25/80 + 70/84 is 55/48.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 80 and 84 is 1680
Next, find the equivalent fraction of both fractional numbers with denominator 1680 - For the 1st fraction, since 80 × 21 = 1680,
25/80 = 25 × 21/80 × 21 = 525/1680 - Likewise, for the 2nd fraction, since 84 × 20 = 1680,
70/84 = 70 × 20/84 × 20 = 1400/1680 - Add the two like fractions:
525/1680 + 1400/1680 = 525 + 1400/1680 = 1925/1680 - 1925/1680 simplified gives 55/48
- So, 25/80 + 70/84 = 55/48
In mixed form: 17/48
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