Add 63/70 and 1/42
63/70 + 1/42 is 97/105.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 42 is 210
Next, find the equivalent fraction of both fractional numbers with denominator 210 - For the 1st fraction, since 70 × 3 = 210,
63/70 = 63 × 3/70 × 3 = 189/210 - Likewise, for the 2nd fraction, since 42 × 5 = 210,
1/42 = 1 × 5/42 × 5 = 5/210 - Add the two like fractions:
189/210 + 5/210 = 189 + 5/210 = 194/210 - 194/210 simplified gives 97/105
- So, 63/70 + 1/42 = 97/105
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 63/70+2/42 63/70+1/84 63/70+3/42 63/70+5/42 63/70+7/42