Add 63/70 and 50/20
1st number: 63/70, 2nd number: 2 10/20
63/70 + 50/20 is 17/5.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 20 is 140
Next, find the equivalent fraction of both fractional numbers with denominator 140 - For the 1st fraction, since 70 × 2 = 140,
63/70 = 63 × 2/70 × 2 = 126/140 - Likewise, for the 2nd fraction, since 20 × 7 = 140,
50/20 = 50 × 7/20 × 7 = 350/140 - Add the two like fractions:
126/140 + 350/140 = 126 + 350/140 = 476/140 - 476/140 simplified gives 17/5
- So, 63/70 + 50/20 = 17/5
In mixed form: 32/5
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 63/70+50/40 63/70+50/60