Add 63/30 and 7/40
1st number: 2 3/30, 2nd number: 7/40
63/30 + 7/40 is 91/40.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 40 is 120
Next, find the equivalent fraction of both fractional numbers with denominator 120 - For the 1st fraction, since 30 × 4 = 120,
63/30 = 63 × 4/30 × 4 = 252/120 - Likewise, for the 2nd fraction, since 40 × 3 = 120,
7/40 = 7 × 3/40 × 3 = 21/120 - Add the two like fractions:
252/120 + 21/120 = 252 + 21/120 = 273/120 - 273/120 simplified gives 91/40
- So, 63/30 + 7/40 = 91/40
In mixed form: 211/40
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 63/30+14/40 63/60+7/40 63/30+7/80 63/30+21/40 63/90+7/40 63/30+35/40 63/30+49/40