Add 60/90 and 14/70
60/90 + 14/70 is 13/15.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 90 and 70 is 630
Next, find the equivalent fraction of both fractional numbers with denominator 630 - For the 1st fraction, since 90 × 7 = 630,
60/90 = 60 × 7/90 × 7 = 420/630 - Likewise, for the 2nd fraction, since 70 × 9 = 630,
14/70 = 14 × 9/70 × 9 = 126/630 - Add the two like fractions:
420/630 + 126/630 = 420 + 126/630 = 546/630 - 546/630 simplified gives 13/15
- So, 60/90 + 14/70 = 13/15
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/90+28/70 60/90+42/70 60/90+98/70