Add 63/35 and 1/20
1st number: 1 28/35, 2nd number: 1/20
63/35 + 1/20 is 37/20.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 35 and 20 is 140
Next, find the equivalent fraction of both fractional numbers with denominator 140 - For the 1st fraction, since 35 × 4 = 140,
63/35 = 63 × 4/35 × 4 = 252/140 - Likewise, for the 2nd fraction, since 20 × 7 = 140,
1/20 = 1 × 7/20 × 7 = 7/140 - Add the two like fractions:
252/140 + 7/140 = 252 + 7/140 = 259/140 - 259/140 simplified gives 37/20
- So, 63/35 + 1/20 = 37/20
In mixed form: 117/20
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 63/35+2/20 63/70+1/20 63/35+1/40 63/35+3/20 63/35+1/60 63/35+5/20 63/35+7/20