Add 6/64 and 90/70
1st number: 6/64, 2nd number: 1 20/70
6/64 + 90/70 is 309/224.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 64 and 70 is 2240
Next, find the equivalent fraction of both fractional numbers with denominator 2240 - For the 1st fraction, since 64 × 35 = 2240,
6/64 = 6 × 35/64 × 35 = 210/2240 - Likewise, for the 2nd fraction, since 70 × 32 = 2240,
90/70 = 90 × 32/70 × 32 = 2880/2240 - Add the two like fractions:
210/2240 + 2880/2240 = 210 + 2880/2240 = 3090/2240 - 3090/2240 simplified gives 309/224
- So, 6/64 + 90/70 = 309/224
In mixed form: 185/224
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 12/64+90/70 18/64+90/70 30/64+90/70 42/64+90/70