Add 36/80 and 1/42
36/80 + 1/42 is 199/420.
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,
36/80 = 36 × 21/80 × 21 = 756/1680 - Likewise, for the 2nd fraction, since 42 × 40 = 1680,
1/42 = 1 × 40/42 × 40 = 40/1680 - Add the two like fractions:
756/1680 + 40/1680 = 756 + 40/1680 = 796/1680 - 796/1680 simplified gives 199/420
- So, 36/80 + 1/42 = 199/420
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 72/80+1/42 36/80+2/42 36/80+1/84 36/80+3/42 36/80+5/42 36/80+7/42