Add 56/70 and 75/64
1st number: 56/70, 2nd number: 1 11/64
56/70 + 75/64 is 631/320.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 64 is 2240
Next, find the equivalent fraction of both fractional numbers with denominator 2240 - For the 1st fraction, since 70 × 32 = 2240,
56/70 = 56 × 32/70 × 32 = 1792/2240 - Likewise, for the 2nd fraction, since 64 × 35 = 2240,
75/64 = 75 × 35/64 × 35 = 2625/2240 - Add the two like fractions:
1792/2240 + 2625/2240 = 1792 + 2625/2240 = 4417/2240 - 4417/2240 simplified gives 631/320
- So, 56/70 + 75/64 = 631/320
In mixed form: 1311/320
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: