Add 18/70 and 30/64
18/70 + 30/64 is 813/1120.
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,
18/70 = 18 × 32/70 × 32 = 576/2240 - Likewise, for the 2nd fraction, since 64 × 35 = 2240,
30/64 = 30 × 35/64 × 35 = 1050/2240 - Add the two like fractions:
576/2240 + 1050/2240 = 576 + 1050/2240 = 1626/2240 - 1626/2240 simplified gives 813/1120
- So, 18/70 + 30/64 = 813/1120
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 36/70+30/64 18/70+60/64 54/70+30/64 18/70+90/64 90/70+30/64