Add 63/10 and 30/40
1st number: 6 3/10, 2nd number: 30/40
63/10 + 30/40 is 141/20.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 40 is 40
Next, find the equivalent fraction of both fractional numbers with denominator 40 - For the 1st fraction, since 10 × 4 = 40,
63/10 = 63 × 4/10 × 4 = 252/40 - Likewise, for the 2nd fraction, since 40 × 1 = 40,
30/40 = 30 × 1/40 × 1 = 30/40 - Add the two like fractions:
252/40 + 30/40 = 252 + 30/40 = 282/40 - 282/40 simplified gives 141/20
- So, 63/10 + 30/40 = 141/20
In mixed form: 71/20
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 63/10+60/40 63/20+30/40 63/10+30/80 63/10+90/40 63/30+30/40 63/50+30/40 63/70+30/40