Add 36/70 and 90/64
1st number: 36/70, 2nd number: 1 26/64
36/70 + 90/64 is 2151/1120.
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,
36/70 = 36 × 32/70 × 32 = 1152/2240 - Likewise, for the 2nd fraction, since 64 × 35 = 2240,
90/64 = 90 × 35/64 × 35 = 3150/2240 - Add the two like fractions:
1152/2240 + 3150/2240 = 1152 + 3150/2240 = 4302/2240 - 4302/2240 simplified gives 2151/1120
- So, 36/70 + 90/64 = 2151/1120
In mixed form: 11031/1120
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 72/70+90/64