Add 7/10 and 4/45
7/10 + 4/45 is 71/90.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 45 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 10 × 9 = 90,
7/10 = 7 × 9/10 × 9 = 63/90 - Likewise, for the 2nd fraction, since 45 × 2 = 90,
4/45 = 4 × 2/45 × 2 = 8/90 - Add the two like fractions:
63/90 + 8/90 = 63 + 8/90 = 71/90 - So, 7/10 + 4/45 = 71/90
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 14/10+4/45 7/10+8/45 7/20+4/45 7/10+4/90 21/10+4/45 7/10+12/45 7/30+4/45 35/10+4/45 7/10+20/45 7/50+4/45 49/10+4/45 7/10+28/45 7/70+4/45