Add 70/40 and 63/75
1st number: 1 30/40, 2nd number: 63/75
70/40 + 63/75 is 259/100.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 40 and 75 is 600
Next, find the equivalent fraction of both fractional numbers with denominator 600 - For the 1st fraction, since 40 × 15 = 600,
70/40 = 70 × 15/40 × 15 = 1050/600 - Likewise, for the 2nd fraction, since 75 × 8 = 600,
63/75 = 63 × 8/75 × 8 = 504/600 - Add the two like fractions:
1050/600 + 504/600 = 1050 + 504/600 = 1554/600 - 1554/600 simplified gives 259/100
- So, 70/40 + 63/75 = 259/100
In mixed form: 259/100
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/80+63/75