Add 48/80 and 15/42
48/80 + 15/42 is 67/70.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 80 and 42 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 42 × 40 = 1680,
15/42 = 15 × 40/42 × 40 = 600/1680 - Add the two like fractions:
1008/1680 + 600/1680 = 1008 + 600/1680 = 1608/1680 - 1608/1680 simplified gives 67/70
- So, 48/80 + 15/42 = 67/70
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