Add 64/35 and 90/40
1st number: 1 29/35, 2nd number: 2 10/40
64/35 + 90/40 is 571/140.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 35 and 40 is 280
Next, find the equivalent fraction of both fractional numbers with denominator 280 - For the 1st fraction, since 35 × 8 = 280,
64/35 = 64 × 8/35 × 8 = 512/280 - Likewise, for the 2nd fraction, since 40 × 7 = 280,
90/40 = 90 × 7/40 × 7 = 630/280 - Add the two like fractions:
512/280 + 630/280 = 512 + 630/280 = 1142/280 - 1142/280 simplified gives 571/140
- So, 64/35 + 90/40 = 571/140
In mixed form: 411/140
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 64/70+90/40 64/35+90/80